Passeriformes
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | mid-June | time by which first eggs laid | Both Male and Female | Adult | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | ||
Time of Hatching or Parturition | June 30 | time by which first eggs hatched | Both Male and Female | Adult | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | ||
Time of Fledging or Metamorphosis | July 15-August 13 | dates on which first and last young fledged | Both Male and Female | Adult | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | ||
Time of Migration or Dispersal | August 31 | date by which last fall migrants departed | Both Male and Female | Adult | Not Reported | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | ||
Fledging or Weaning Rate | 1.3 | average number of fledglings per nest | fledglings/nest | Not Reported | Fledgling | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | 1.3 SD |
Fledging or Weaning Rate | 29% | total egg-to-fledgling success rate | Not Reported | Fledgling | 5 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4 | first clutch size in 13/14 females observed | eggs/nest | Female | Adult | 14 females | Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) | Exposure Factor Datasets | CANADA | ||
Territory Size | 3,009 | mean territory size based on observed perch sites and territorial disputes | m^2 | Male | Adult | 61 observation periods | Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) | Exposure Factor Datasets | breeding | CANADA | 153 SE |
Dietary Composition | Mollusca (4), Arachnida (19), Isopoda (4), Orthoptera (15), Hemiptera (56), Coleoptera (7), Lepidoptera adult (20), Lepidoptera larvae (10), Diptera adult (188), Hymenoptera adult (9), Hymenoptera larvae (1) | numbers of food items delivered to nestlings fitted with neck ligatures | Not Reported | Nestling | 333 food items collected | Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Surface Area | 0.00487 | estimated area of the external plumage surface (geometrical approximation) of 13.2 g bird | m^2 | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory | |
Body Weight - Mean | 13.2 | mean body weight during breeding season | g | Female | Adult | 5 birds | collection location George E. Hudson Biological Reserve, Whitman County | Exposure Factor Datasets | Laboratory |
Metabolic Rate | 0.325 | predicted daytime basal metabolic rate | W | Not Reported | Adult | Not Reported | collection location George E. Hudson Biological Reserve, Whitman County | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of clutch sizes | eggs | Female | Adult | 6 nests | Sierra National Forest | Exposure Factor Datasets | Fresno |
Hatching Success | range of hatching success | eggs/nest | Not Reported | Hatchling | 6 nests | Sierra National Forest | Exposure Factor Datasets | Fresno |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | metabolic rate = 0.36(ambient T) + 14.64 | linear regression equation for relationship between nocturnal metabolism and ambient temperature | Not Reported | Adult | 12 birds | captured at Occidental College, Los Angeles | Exposure Factor Datasets | Laboratory | ||
Body Weight - Mean | 5.5 | mean body weight | g | Not Reported | Adult | 6 birds | captured at Occidental College, Los Angeles | Exposure Factor Datasets | 0.2 SE | Laboratory |
Food Ingestion Rate | 35.17 | consumption of mealworms at 20 deg C | kJ/d | Not Reported | Adult | 6 birds | captured at Occidental College, Los Angeles | Exposure Factor Datasets | 1.26 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Mar-Apr | time of peak nesting activity | Both Male and Female | Adult | Not Reported | Stanford University Campus | Exposure Factor Datasets | Santa Clara | |
Territory Size | approximate range of nesting territory diameters | yd | Both Male and Female | Adult | Not Reported | Stanford University Campus | Exposure Factor Datasets | Santa Clara | |
Duration of Incubation or Gestation | 13 | incubation period from start to hatching | d | Not Reported | Embryo | 1 clutch | Stanford University Campus | Exposure Factor Datasets | Santa Clara |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | number of second clutches laid per season | clutches/yr | Both Male and Female | Adult | 27 pairs | Archbold Biological Station | Exposure Factor Datasets | ||
Survival/ Mortality | 13.0 | estimated probability of an egg surviving to hatch in fenceline areas | % | Not Reported | Embryo | 39 clutches | Archbold Biological Station | Exposure Factor Datasets | 0.2 SD |
Survival/ Mortality | 64.0 | estimated probability of an egg surviving to hatch in pasture areas | % | Not Reported | Embryo | 25 clutches | Archbold Biological Station | Exposure Factor Datasets | 30.1 SD |
Survival/ Mortality | 67.0 | estimated probability of a nestling surviving to fledge in fenceline areas | % | Not Reported | Nestling | 39 clutches | Archbold Biological Station | Exposure Factor Datasets | 1.8 SD |
Survival/ Mortality | 73.0 | estimated probability of a nestling surviving to fledge in pasture areas | % | Not Reported | Nestling | 25 clutches | Archbold Biological Station | Exposure Factor Datasets | 28.8 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1 | yr | Not Reported | Adult | 4 birds | Ada, Elmore, Owyhee Counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 16.8 | d | Not Reported | Fledgling | 28 nests | Lawton, Comanche County | Exposure Factor Datasets | |
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 122 pairs | Lawton, Comanche County | Exposure Factor Datasets | ||
Survival/ Mortality | 64 | overall nestling survival rate | % | Not Reported | Nestling | 90 nests | Lawton, Comanche County | Exposure Factor Datasets |
Survival/ Mortality | 46 | calculated probability of survival of any nest from incubation onset to end of fledging | % | Not Reported | Fledgling | 109 nests | Lawton, Comanche County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.1 | mean number of fledglings produced per nesting attempt | fledglings/nest | Not Reported | Fledgling | 24 clutches | Archbold Biological Station, Highlands County | Exposure Factor Datasets | |
Clutch or Litter Size | 3.8 | mean clutch size | eggs/clutch | Female | Adult | 24 clutches | Archbold Biological Station, Highlands County | Exposure Factor Datasets | 0.9 SD |
Hatching Success | 33.8 | percent of eggs that produced hatchlings by the day after the first hatch | % | Not Reported | Hatchling | 24 clutches | Archbold Biological Station, Highlands County | Exposure Factor Datasets | 47.6 SD |
Body Weight - Mean | 33.0 | mean body weight of 10 day old nestlings | g | Not Reported | Nestling | 18 nestlings | Archbold Biological Station, Highlands County | Exposure Factor Datasets | 2.6 SD |
Clutches or Litters per year | number of clutches laid per season per pair | clutches/pair | Both Male and Female | Adult | 10 pairs | Archbold Biological Station, Highlands County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | review | Exposure Factor Datasets | CANADA, USA | |
Clutches or Litters per year | review | Exposure Factor Datasets | CANADA, USA | |
Clutch or Litter Size | review | Exposure Factor Datasets | CANADA, USA | |
Age at Sexual Maturity | review | Exposure Factor Datasets | CANADA, USA | |
Hatching Success | review | Exposure Factor Datasets | CANADA, USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | clutches/yr | Both Male and Female | Adult | 77 pairs | Pawnee National Grassland | Exposure Factor Datasets | |
Clutch or Litter Size | 6.39 | average clutch size, 4 years | eggs/clutch | Female | Adult | 77 pairs | Pawnee National Grassland | Exposure Factor Datasets |
Duration of Incubation or Gestation | 16 | incubation period | d | Not Reported | Embryo | 330 hatched eggs | Pawnee National Grassland | Exposure Factor Datasets |
Age at Fledging, Metamorphosis, Weaning | 17 | normal fledging period | d | Not Reported | Fledgling | 232 fledged birds | Pawnee National Grassland | Exposure Factor Datasets |
Fledging or Weaning Rate | 5.40 | average number of fledglings produced per nest | fledglings/nest | Not Reported | Fledgling | 65 successful nests | Pawnee National Grassland | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 48 pairs | southern Minnesota | Exposure Factor Datasets | |||
Clutch or Litter Size | 5.65 | average clutch size, 2 years | eggs/clutch | Female | Adult | 46 clutches | southern Minnesota | Exposure Factor Datasets | 1.17 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.3 | mean clutch size, 2 years | eggs/clutch | Female | Adult | 20 nests | York County | Exposure Factor Datasets | 0.6 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Territory Size | 8.35 | mean territory size in pasture habitat | ha | Both Male and Female | Adult | 6 territories | Archbold Biological Station near Lake Placid | Exposure Factor Datasets | 0.66 SD |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | Not Reported | Embryo | 3 eggs | Bloomington | Exposure Factor Datasets | |||||
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nestd | d | Not Reported | Fledgling | 6 birds | Bloomington | Exposure Factor Datasets | |||
Body Weight - Mean | g | Male | Adult | 3 birds | Bloomington | Exposure Factor Datasets | feeding young | |||
Body Weight - Mean | g | Female | Adult | 4 birds | Bloomington | Exposure Factor Datasets | feeding young | |||
Body Weight - Mean | 8.3 | mean body weight | g | Not Reported | Nestling | 3 birds | Bloomington | Exposure Factor Datasets | 6-7 d post-hatch |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Hemiptera (34.43%), Orthoptera (18.52%), Lepidoptera (20.63%), Coleoptera (15.26%), Hymenoptera (6.44%), other insects and spiders (2.71%), vegetable food (0.7%) | percent occurrence of food items in stomachs | Not Reported | Not Reported | 52 stomachs | Exposure Factor Datasets | USA |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 8-10 | pairs/acre | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa | |
Clutch or Litter Size | 3.14 | eggs/nest | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa | |
Population Density | pairs/100 acres | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa | breeding | |
Clutch or Litter Size | 8.2 | eggs/pair/year | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa | breeding |
Longevity | up to 7 | years | Both Male and Female | Adult | 6 animals (from 1000) | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Longevity | 6 | years | Male | Chick, Not Reported | 2 males out of 51 male and female; 7 year study | Mandarte island | Exposure Factor Datasets | CANADA | |
Clutch or Litter Size | 11.1 | numbers of eggs laid | Female | Adult | 79 females | Mandarte Island | Exposure Factor Datasets | CANADA | 0.76 |
Clutch or Litter Size | 10.1 | number of eggs fertilized | Female | Adult, Both Adults and Juveniles | 96 males | Mandarte Island | Exposure Factor Datasets | CANADA | 0.97 |
Clutches or Litters per year | 2 | clutches/year | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 45 | annual survival rates of adult song sparrows at Point Reyes | % | Both Male and Female | Adult | 539 birds | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Survival/ Mortality | 20 | known minimum survival rates of juveniles; 1966-69 | % | Both Male and Female | Juvenile | nr | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Home Range | 125 | median | m | Male | Adult | nr | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Home Range | 162 | median | m | Female | Adult | nr | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 24.75 | over 90 wks | g | Female | Adult | 2 birds | Mandarte Island | Exposure Factor Datasets | over 90 wks | CANADA | 2.1 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | 0.21;0.26 | rural; suburban | ha | Both Male and Female | Adult | 10 territories | Amherst MA, 42 deg.22' N., 72 deg. 30' W | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Molt | June-September | Both Male and Female | Adult | 69 | Mandarte Island | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.58; 3.42 | Both Male and Female | Adult | 140; 89 | Mandarte Island | Exposure Factor Datasets | CANADA | 0.1; 0.19 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.41 | brood size with supplemental food | young/nest | Not Reported | Chick | 34 nests | Mandarte island | Exposure Factor Datasets | 6 d | CANADA | 0.17 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 30 | d | Not Reported | Fledgling | Not Reported | Mandarte island | Exposure Factor Datasets | CANADA |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 75.9 | mean body weight | g | Female | Adult | 3 birds | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Hatching Success | 19/31 | proportion of successful nests (hatched at least one egg) in which entire clutch hatched | Both Male and Female | Adult | 41 nests | near Delta, Manitoba | Exposure Factor Datasets | CANADA | ||
Fledging or Weaning Rate | 2.32 | number of young fledged per female | young/female | Female | Adult | 38 females | near Delta, Manitoba | Exposure Factor Datasets | CANADA | 0.06 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Sturnella sp., Colaptes, sparrows, Lepus californicus, Sigmodon hispidus, Sylvilagus sp., Felis domesticus | species observed to be scavenged by meadowlarks | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 0 to 12 (+/-15) | mean nest densities in untilled corn or soybean fields | nests/100 ha | Both Male and Female | Adult | 8-9 fields | Adair County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 6 | density of birds nesting and feeding in study area | birds per 50 acres | Both Male and Female | Adult | 6 | near Iowa Lakeside Laboratory | Exposure Factor Datasets |
Home Range | estimated breeding territory size defended by males | acres | Both Male and Female | Adult | 4 territories | near Iowa Lakeside Laboratory | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | birds/acre | Not Reported | Not Reported | 23-67 birds counted | Los Banos, Merced | Exposure Factor Datasets | Merced | ||
Time of Nesting | Mar-Aug | length of nesting period | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 28.43 (96) | mean density of breeding birds (maximum density in parentheses) | pairs/square mile | Both Male and Female | Adult | 130 sample units (160 acres/unit) | Exposure Factor Datasets |
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May 30 (onset) | date when first eggs found | Female | Adult | 17 nest attempts (in 5 sample years) | Colorado River | Exposure Factor Datasets |
Time of Fledging or Metamorphosis | June 29 (earliest fledging) - July 13 (latest fledging) | dates of earlies and latest recording fledging | Both Male and Female | Fledgling | 17 nest attempts (in 5 sample years) | Colorado River | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |
Time of Hatching or Parturition | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |
Time of Mating/ Laying | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
San Clemente Loggerhead Shrike (Lanius ludovicianus ssp. mearnsi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Territory Size | 34 | mean pair foraging area during breeding season, 4 years | ha | Both Male and Female | Adult | 12 territories | San Clemente Island | Exposure Factor Datasets | 12 SD |
Longevity | 3 | adult life expectancy based on duration of home range occupancy | yr | Female | Adult | Not Reported | San Clemente Island | Exposure Factor Datasets |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 21 | percent of active nests that fledged at least one young | % | Both Male and Female | Adult | 14 nests | various CA locations | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | approx. 15 | incubation period up to time of pipping | d | Not Reported | Embryo | 8 eggs | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Territory Size | nesting territory size | ha | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Population Density | range of nesting density over two years | pairs/243 ha | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Fledging or Weaning Rate | percent of nesting pairs that successfully raised at least one young (range over two years) | % | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Suisun Song Sparrow (Melospiza melodia ssp. maxillaris)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Water Ingestion Rate | review | Not Reported | Not Reported | Not Reported | Suisun Bay | Exposure Factor Datasets |
Home Range | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | |
Time of Mating/ Laying | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Song Sparrow (Melospiza melodia), Suisun Song Sparrow (Melospiza melodia ssp. maxillaris), San Pablo Song Sparrow (Melospiza melodia ssp. samuelis)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | see table 1 | Both Male and Female | Adult | 64 sites | San Francisco Bay region | Exposure Factor Datasets | Alameda, Contra Costa | breeding |