Birds
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1,068 | g | Female | Both Adults and Juveniles | 34 | Mingo Basin | Exposure Factor Datasets | early prebasic molt | 22 SE |
Body Weight - Mean | 1,048 | g | Female | Both Adults and Juveniles | 45 | Mingo Basin | Exposure Factor Datasets | middle prebasic molt | 12 SE |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Dietary Composition | Sago pondweed (Potamogeton pectinatus); Leafy pondweed (P. foliosus); small pondweed (P. pusillus); smartweed (Polygonum amphibium); widgeon grass (Ruppia maritima); redhead grass (Potamogeton perfoliatus); muskgrass (Chara spp.); duckweeds (Lemna minor and L. trisulca); horned pondweed (Zannichellia palustris); duck potato (Sagittaria arifolia); water spikerush (Eleocharis acicularis) | Both Male and Female | Not Reported | Not Reported | lower Flathead Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 32.4 | g | Both Male and Female | Hatchling | 36 | central North Dakota | Exposure Factor Datasets | 1 d | 2.4 SD |
Body Weight - Mean | 1020 | g | Female | Adult | 173 | central North Dakota | Exposure Factor Datasets | after second year |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.18 | fully feathered young/hen | Not Reported | Juvenile | 11 hens | prairie pothole region of North Dakota | Exposure Factor Datasets | after third year |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Type |
---|---|---|---|---|---|
Dietary Composition | beechnuts, acorns, and slugs, snails, frogs or lizards (occasionally) | Not Reported | Not Reported | Central Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.5 | eggs | Not Reported | Not Reported | 1934 | Suisun Marsh | Exposure Factor Datasets |
Clutch or Litter Size | 8.9 | eggs | Not Reported | Not Reported | 521 | Sacramento Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.713 | survival rate | Female | Both Adults and Juveniles | Not Reported | Chippewa National Forest | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 43.9% | nest success rate (Mayfield method) among overwater nests | Female | Adult | 47 | Minnedosa, Manitoba | Exposure Factor Datasets | CANADA |
Hatching Success | 12.2% | nest success rate (Mayfield method) among upland nests | Female | Adult | 49 | Minnedosa, Manitoba | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | total plant seeds (19.3%), total grain (5.7%), acorns (64.5%), total vegetation (0.9%), tubers/rhizomes (5.1%), invertebrates (4.6%) | mean aggregate % dry mass of foods collected in mallard stomachs (one season) | Male | Both Adults and Juveniles | 104 | Mingo National Wildlife Refuge | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | animal (3.0%), plant (97.0%) | percent composition of esopageal food samples | Both Male and Female | Both Adults and Juveniles | 2,118 | Mississippi Alluvial Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.5626 | survival estimates for birds banded 1966-1985 | Female | Juvenile | 8,205 | Central California | Exposure Factor Datasets | 0.0445 (SE) |
Survival/ Mortality | 0.3948 | survival estimates for birds banded 1972-1981 | Female | Juvenile | 1,396 | Central California | Exposure Factor Datasets | 0.0458 (SE) |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | food consumption rate for average body weight of 1.23 kg | g/duck/d | Female | Adult | 18 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Zizania aquatica, 35.5%; Potmogeton strictifolius, 22.8%; Sparganium chlorocarpum, 11.1%; Scirpus validus, 4.0%; Potamogeton natans, 3.4%; Potamogeton richardsonii, 2.3%; Naias flexilis, 2.0%; Ceratophyllum demensum, 1.5%; Potamogeton spectinatus, 1.5%; Carex spp., 1.4%; Potamogeton zosteriformis, 1.3%; Carex pseudo-cyperus, 1.0%; Scirpus acutus, 1.0% | % (by volume) | Not Reported | Not Reported | 306 | Chippewa National Forest | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1,121.2 | g | Female | Adult | 105 birds | prairie pothole region central North Dakota | Exposure Factor Datasets | during breeding season | 121.5 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 80 | resting heat production | kcal/kg/day | Both Male and Female | Adult | 3 birds/treatment | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 70 | mean daily ingestion of barley at 15 C | g/day/duck | Male | Juvenile | 16 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | y = 1.970 - 0.054x (r-squared = 0.932) | metabolic rate (ml O^2/g/h)-ambient temperature (celcius) relationship | Male | Juvenile | 20 | Exposure Factor Datasets | 7 mo | Laboratory |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Dietary Composition | flora (2.6%), fauna (97.4%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 1-6 d |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | snails (7%); beetle (2.3%); duckweed (14.1%); pondweed (23.2%); water lily (7.0%); bulrush (9.3%); smartweed (25.5%); Ammiaceae (11.6%) | % occurrence in gizzard contents | % | Not Reported | Not Reported | 36 | Sandusky Bay, Port Clinton | Exposure Factor Datasets |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 92.6 | mean daily energy expenditure during reproduction (during late incubation) | kJ/d | Male | Adult | 14 | Houghton Lake (lat. 44deg02', long. 08deg45') | Exposure Factor Datasets | 8.1 SE |
Metabolic Rate | 118.6 | mean daily energy expenditure during reproduction (during late incubation) | kJ/d | Female | Adult | 14 | Houghton Lake (lat. 44deg02', long. 08deg45') | Exposure Factor Datasets | 9.2 SE |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.6 | average fledging rate | fledglings/active nest | Both Male and Female | Fledgling | 3 breeding pairs | Ojo de Liebre Lagoon, Baja California | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 25 | mortality rate | % | Not Reported | Adult | 81 birds banded as nestlings | Exposure Factor Datasets | CANADA, USA | ||
Survival/ Mortality | 68 | mortality rate | % | Not Reported | Juvenile | 27 birds | Exposure Factor Datasets | 0-1 year | CANADA, USA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Longevity | 15 | years | Not Reported | Adult | 1 bird | Exposure Factor Datasets | GERMANY |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Home Range | 115.2-192.1 | range of home range sizes | square km | Male | Adult | 2 | Cape Peninsula | Exposure Factor Datasets | SOUTH AFRICA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Holboell's grebe (2.4%); green-winged teal (9.7%); buffle-head (2.7%); sparrow hawk (2.4%); spruce grouse (2.4%); ruffed grouse (2.4%); lesser yellow-legs (9.7%); gulls (19.6%); hawk owl (2.4%); northern flicker (2.4%); Alaska jay (12.5%); Hudsonian chickadee (2.4%); gray-cheeked thrush (2.4%); rusty blackbird (2.4%); pine grosbeak (2.4%); robin (4.9%); unidentified passerines (17.0%) | estimated from prey item remains lying about the bluffs in study area | % total prey | Not Reported | Not Reported | 52 prey items | Tanana River, Chena | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | 1 pair per 17sq. km | pairs | Both Male and Female | Adult | 6 survey years; 17-26 territories per year | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | 7.5-28.0 | range of distances between the most distant locations | km | Both Male and Female | Adult | 8 birds | near the Laguna Madre | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 13.1 | ha | Male | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara | 2.0 SD | |
Dietary Composition | invertebrates (173.8), reptiles (23.0), birds (481.0), mammals (609.5) | amount of prey taken by prey weight | g | Female | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Fledgling | 112 | Great Basin (elev. 1260-2340 m) | Exposure Factor Datasets | Lassen | |
Clutch or Litter Size | 4.3 | eggs/clutch | Female | Adult | 38 clutches | Great Basin (1260-2340 m) | Exposure Factor Datasets | Lassen |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 1.4 | mean maximum diameter of breeding home ranges | mi | Not Reported | Not Reported | 4 birds | agricultural lands | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 34 | average density | kestrels/100 mi | Both Male and Female | Both Adults and Juveniles | 135 obs. | coastal and coast range areas | Exposure Factor Datasets | Colusa, Humboldt, Lake, Mendocino, Yolo | +/- 11 95% CI |
Population Density | 115 | average density | individuals/100 mi | Both Male and Female | Both Adults and Juveniles | 205 obs. | agricultural lands | Exposure Factor Datasets | Colusa, Humboldt, Lake, Mendocino, Yolo | +/- 25 95% CI |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 28.4 | mean incubation period in captivity | d | Both Male and Female | Embryo | 5 | Exposure Factor Datasets | Breeding | Laboratory | |
Clutch or Litter Size | 3.66 | mean clutch size in captivity | eggs | Female | Adult | 5 | Exposure Factor Datasets | Breeding | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 2 | percent of eggs that failed to hatch | % | Not Reported | Nestling | 10 nests | Jackson Hole | Exposure Factor Datasets |
Time of Nesting | May 20 to Jul 20 | period from earliest egg laying date to date of latest brood departure | Both Male and Female | Adult | 11 nests | Jackson Hole | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | combined day and night oxygen consumption over one 24 hr period | ml oxygen/g/hr | Both Male and Female | Adult | 3 birds | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 23 | individuals per 96 km2 | Both Male and Female | Adult | 23 | agricultural lands (lat, 38 deg 32'N; long., 121 deg 47'W) | Exposure Factor Datasets | Yolo | Breeding |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 1.11 | mean oxygen consumption during the light period at 10 deg C | ml O2/g bw/hr | Male | Both Adults and Juveniles | 6 | captured at Dundee, IL | Exposure Factor Datasets | fasted | 0.29 SD | Laboratory |
Metabolic Rate | 1.14 | mean oxygen consumption during the light period at 10 deg C | ml O2/g bw/hr | Female | Both Adults and Juveniles | 14 | captured at Dundee, IL | Exposure Factor Datasets | fasted | 0.46 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.62 | number of doves fledged per breeding adult | Both Male and Female | Fledgling | Not Reported | near American Falls | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | summer | time of southward migration | Both Male and Female | Both Adults and Juveniles | Not Reported | Turlock area | Exposure Factor Datasets | Merced, Stanislaus |
Time of Migration or Dispersal | winter | time of northward movement | Both Male and Female | Both Adults and Juveniles | Not Reported | Turlock area | Exposure Factor Datasets | Merced, Stanislaus |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 14 d, 16 hr to 15 d | incubation period up to time of hatching | Not Reported | Embryo | 1 egg | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | year of hatching | age of earliest sexual maturity, based on gonad sizes and breeding behaviors | Both Male and Female | Juvenile | 75 males, 66 females | near Tuscon | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 14 | d | Not Reported | Embryo | 5 cases | near Auburn | Exposure Factor Datasets | |
Hatching Success | 226 (both eggs); 56 (one egg) | number of nests in which one or both eggs hatched | Not Reported | Hatchling | 592 nests | near Auburn | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | number of young fledged per nesting attempt | fledglings/nest | Both Male and Female | Fledgling | ~81 nests/year | Madelia Research Center, Watonwan County | Exposure Factor Datasets | |
Survival/ Mortality | 37.3% (before hatch), 9.2% (after hatch) | percent of eggs or young lost before and after hatch | Both Male and Female | Embryo, Juvenile | 634 eggs | Madelia Research Center, Watonwan County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 1.8 | mean clutch size | Female | Adult | 524 nests | Prairie Island Nuclear Generating Plant | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | review | time of fall and spring migration | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 55.2% | percent of nests in which at least one egg hatched | % | Both Male and Female | Adult | 335 nest attempts | near Bakersfield | Exposure Factor Datasets | Kern |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 925 | estimate of number of pairs in census area | pairs/43,235 km^2 | Both Male and Female | Not Reported | 198 UTM blocks censused | San Francisco Bay and Central Valley areas | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 4.9 | fledglings/pair | Both Male and Female | Fledgling | 15 pairs | Albuquerque | Exposure Factor Datasets |
Time of Migration or Dispersal | August (begin) | Both Male and Female | Both Adults and Juveniles | 15 pairs | Albuquerque | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 18 | % | Both Male and Female | Nestling | 40 birds | Oakland Airport | Exposure Factor Datasets |
Time of Migration or Dispersal | Sep, Jan | Both Male and Female | Juvenile | Not Reported | Oakland Airport | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Dietary Composition | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | |
Time of Molt | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.95 | oxygen consumption in zone of thermoneutrality (at 30.1 degrees, Celsius) | cubic cm O2/g/hr | Not Reported | Adult | 16 | Exposure Factor Datasets | 0.04 | Laboratory | |
Inhalation Rate | 25 | average breathing rate at ambient temperatures below body temperature | breaths/min | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 50-57% | percent of occupied nests that fledged young | Both Male and Female | Adult | 63-76 nests | Gilliam, Morrow, and Umatilla counties | Exposure Factor Datasets |
Great Horned Owl (Bubo virginianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 114 | weight consumed per day on an all hamster diet | g/d | Not Reported | Adult | 4 owls | Exposure Factor Datasets | 21.4 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.0 | average clutch size | eggs/clutch | Female | Adult | 12 nests | Hanford Site, Benton and Franklin Counties | Exposure Factor Datasets | 0.56 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.2 | eggs/clutch | Female | Adult | 4 nests | Jackson Hole | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | meadow vole and jumping mouse (11.3%), juv. white-tailed jackrabbit (9.4%), horned or eared grebe (5.7%), American coot (22.6%), sora and Virginia rails (3.8%), duck (26.4%), sharp-tailed grouse (9.4%), blackbird (11.3%) | relative frequency of prey species occurence in nests | Not Reported | Nestling | 78 nest visits | Lostwood National Wildlife Refuge | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Dipodomys ordii (0.13%), Microtus montanus (0.14%), Perognathus parvus (0.02%), Peromyscus maniculatus (0.50%), Thomomys umbrinus (0.21%) | relative proportion of prey species in the diet, based on pellet analysis | Female | Adult | 1 owl | Gund Research Ranch, University of Nevada | Exposure Factor Datasets |
Northern Flicker (Colaptes auratus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 6.18 | average size of clutches laid early in the breeding season | eggs/clutch | Female | Adult | 17 clutches | New Concord, Muskingum County (40 deg, 00'N, 81 deg, 46'W) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, USA |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.14 | mean clutch size in renests | eggs | Female | Adult | 29 nests | Toledo, Wooster, OH | Exposure Factor Datasets | 0.1 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Hatching Success | 54.8 % | percent of eggs hatched of total eggs laid | Not Reported | Hatchling | 272 eggs, 91 nests | Wooster, Toledo, OH; Fremont, NE | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 13.31 | mean body weight of adastus subspecies | g | Not Reported | Adult | 9 captures | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | Exposure Factor Datasets | 1.19 SD |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 0.4 | average territory size based on > 400 point observations | ha | Not Reported | Adult | 12 territories | Jasper Ridge Biological Experimental Area, nr Portola Valley | Exposure Factor Datasets | San Mateo | breeding | 0.08 |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.8 | average clutch size | eggs/clutch | Female | Adult | 64 clutches | Archbold Biological Station | Exposure Factor Datasets | 0.8 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | 9.2 | maximum distance travelled from a cabbage palm to a prey item on ground | m | Not Reported | Adult | 21 territories | Archbold Biological Station, Lake Placid | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | late Feb (begin), April (peak) | time of nesting activity | Both Male and Female | Adult | 133 pairs | Lawton, Comanche County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | average number of hatchlings per nest, 2 years | hatchlings/nest | Not Reported | Hatchling | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Metabolic Rate | review | Exposure Factor Datasets | CANADA, USA |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nest | d | Not Reported | Fledgling | 8 birds | Lawrence | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 9.1 | territory width across sloughs | m | Both Male and Female | Adult | 64 sample areas | Suisun Bay; San Francisco Bay; San Pablo Bay | Exposure Factor Datasets | Contra Costa | breeding |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | with & without suppl. food | Male | Adult | 23 | Exposure Factor Datasets | 56-108 d | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 73 | survival; no suppl. food; survival fledgling to independence | % | Both Male and Female | Fledgling | 29 pairs without suppl. food | Mandarte island | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 1745 | mean territory size, measured by song playbacks and observations of border disputes | m^2 | Male | Adult | 6 birds | Reifel Island, Delta, British Columbia | Exposure Factor Datasets | CANADA | 406 SD |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | 12,406.8 | average territory size in mated birds | m^2 | Male | Adult | 17 birds | Boulder | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 4.00 | body weight of average adult | oz | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Western Grebe (Aechmophorus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.6 | mean clutch size | eggs | Female | Adult | 70 nests | Bear River Migratory Bird Refuge | Exposure Factor Datasets |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1698.4 | asymptotic weight (40 days) | g | Both Male and Female | Nestling | 65 chicks | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 35.2 SE |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | cunner (59.7%), winter flounder (15.5%), sculpin (2.4%), rock eel (0.3%), American eel (6.6%), pollack (9.8%), mummichog (5.8%) | frequency by weight of fish regurgitated by adult cormorants | Both Male and Female | Adult | 17 samples | Duck Island, Isles of Shoals (43 deg. N, 70 deg. 35' W) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Foraging Distance | 15.7 | mean distance travelled from night roost to foraging site | km | Both Male and Female | Adult | 33 birds | Mississippi River Delta | Exposure Factor Datasets | 2.0 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1543 | g | Not Reported | Juvenile | 13 birds | Utah Lake, Utah County | Exposure Factor Datasets | 23 d |