Charadriiformes
Snowy Plover (Charadrius nivosus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | See citation Figure 2 | Number of breeding adults/area by year | B | Adult | See citation | Exposure Factor Datasets | Humboldt | Breeding | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 29.4 [23.0-36.5 (95% CI)] | Annual survival | % | B | Both Adults and Juveniles | 100 nests | Quivira National Wildlife Refuge | Exposure Factor Datasets | USA |
Survival/ Mortality | 0.942 [0.934-0.949 (95% CI)] | Nest daily survial rate | B | Chick | 232 nests | Quivira National Wildlife Refuge | Exposure Factor Datasets | USA | |
Survival/ Mortality | 0.917 [0.886-0.940 (95% CI)] | Nest daily survial rate | B | Chick | 31 nests | Cheyenne Bottoms Wilderness Area | Exposure Factor Datasets | USA | |
Survival/ Mortality | 0.954 [0.945-0.962 (95% CI)] | Nest daily survial rate | B | Chick | 100 nests | Quivira National Wildlife Refuge | Exposure Factor Datasets | USA | |
Survival/ Mortality | 21.2 [16.9-25.6 (95% CI)] | Annual survival | % | B | Both Adults and Juveniles | 232 nests | Quivira National Wildlife Refuge | Exposure Factor Datasets | USA |
Survival/ Mortality | 10.5 [4.3-20.0 (95% CI)] | Annual survival | % | B | Both Adults and Juveniles | 31 nests | Cheyenne Bottoms Wilderness Area | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Dietary Composition | Small crabs, sand hoppers, marine worms | M | Adult | 1 | Exposure Factor Datasets | INDIA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|
Population Density | Review | Distribution/occurrence in eastern US | 3536 records | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sample Size | Location | Type | California Counties | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Longevity | 2.3 | Lifespan of birds attaining >1y | y | 132 | Beaches & Eel River | Exposure Factor Datasets | Humboldt | USA | 1.8 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Population Density | 67 | Individuals/33,000 ha | B | Both Adults and Juveniles | Exportadora de Sal S.A. de C.V. saltworks | Exposure Factor Datasets | MEXICO |
Population Density | 54 | Individuals/21,000 ha | B | Both Adults and Juveniles | Guerrero Negro Lagoon | Exposure Factor Datasets | MEXICO |
Population Density | 234 | Individuals/57,100 ha | B | Both Adults and Juveniles | Ojo de Liebre Lagoon | Exposure Factor Datasets | MEXICO |
Population Density | See citation | Monthly & seasonal census/111,100 ha | B | Both Adults and Juveniles | Guerrero Negro wetland complex | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.978 | Modeled daily survival rate | Adult | Lewis and Clark Lake | Exposure Factor Datasets | USA | 0.008 | ||
Survival/ Mortality | 0.588 | Modeled annual survival rate | Adult | 132 | Lewis and Clark Lake | Exposure Factor Datasets | USA | 0.119 | |
Hatching Success | 0.5 | Embryo | 56 | Lewis and Clark Lake | Exposure Factor Datasets | USA | |||
Time of Hatching or Parturition | B | Embryo | 56 eggs | Lewis and Clark Lake | Exposure Factor Datasets | USA | |||
Time of Nesting | B | Adult | 11 nests | Lewis and Clark Lake | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.463 | Modeled survival from fledgling to following April | B | Juvenile | Central coast California | Exposure Factor Datasets | USA | 0.018 |
Survival/ Mortality | 0.691 | Modeled survival from fledgling to following April | B | Adult | Central coast California | Exposure Factor Datasets | USA | 0.033 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.734 | Modeled survival | seasons | M | Adult | 354 | Monterey Bay | Exposure Factor Datasets | Monterey | USA | 0.028 |
Survival/ Mortality | 0.693 | Modeled survival | seasons | F | Adult | 346 | Monterey Bay | Exposure Factor Datasets | Monterey | USA | 0.03 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 2001: 59, 2002: 48, 2003: 76, 2004: 60 | Chick success: % chicks that survived 28 d | % | Chick | Eel River gravel bars | Exposure Factor Datasets | Humboldt | USA | |
Hatching Success | 2001: 39, 2002: 11, 2003: 14, 2004: 44 | Chick success: % chicks that survived 28 d | % | Chick | Beach sites | Exposure Factor Datasets | Humboldt | USA | |
Time of Fledging or Metamorphosis | 28 d posthatch | d posthatch | B | Fledgling | Exposure Factor Datasets | Humboldt | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|
Population Density | See citation Table 2 | Population estimates in North America | 23555 estimated total | All of North America | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | See citation Figure 3 | Embryo | 801 nests | Exposure Factor Datasets | San Diego | USA | |||
Time of Nesting | See citation Figure 3 | B | Adult | 801 nests | Exposure Factor Datasets | San Diego | USA | ||
Hatching Success | 1994: 0.42, 1995: 0.45, 1996: 0.33, 1997: 0.48, 1998: 0.46 | Fledglings/nest | B | Fledgling | 801 nests | Exposure Factor Datasets | San Diego | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Home Range | Cumulative homerange by chick age | B | Chick | Clam Beach | Exposure Factor Datasets | Humboldt | USA | ||||
Home Range | 1027 | Adults tending broods in first 10 d | m | B | Adult | 29 | Clam Beach | Exposure Factor Datasets | Humboldt | USA | 172 |
Home Range | Inside fence: 780, outside fence: 1353 | Daily distance from nest | m | M | Adult | Inside fence: 5, outside fence: 5 | Clam Beach | Exposure Factor Datasets | Humboldt | USA | Inside fence: 90, outside fence: 90 |
Home Range | Inside fence: 438, outside fence: 732 | Daily distance from nest | m | M | Adult | Inside fence: 10, outside fence: 9 | Clam Beach | Exposure Factor Datasets | Humboldt | USA | Inside fence:42, outside fence: 65 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | Review | d posthatch | Fledgling | Exposure Factor Datasets | USA | ||
Survival/ Mortality | Review | Percent mortality | % | Fledgling | Exposure Factor Datasets | USA | |
Survival/ Mortality | Review | Timing of mortality | d posthatch | Fledgling | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 65 | % | B | Adult | 184 surveys | Saline lakes on Southern High Plains | Exposure Factor Datasets | USA |
Survival/ Mortality | 12 | % | B | Juvenile | 184 surveys | Saline lakes on Southern High Plains | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 1995: 2.66, 1996: 2.83 | Eggs/nest | Embryo | 1995: 238, 1996: 177 | Alkaline flat at Salt Plains National Wildife Refuge | Exposure Factor Datasets | USA | 1995: 0.62, 1996: 0.46 | |
Hatching Success | 1995: 0.37, 1996: 0.51 | Nest success based on observation | % of total | Embryo | 1995: 238, 1996: 177 | Alkaline flat at Salt Plains National Wildife Refuge | Exposure Factor Datasets | USA | |
Hatching Success | 1995: 0.37, 1996: 0.58 | Nest success based on Mayfield Method | % of total | Embryo | 1995: 98, 1996: 77 | Alkaline flat at Salt Plains National Wildife Refuge | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 2.3 | Average longevity | y | M | Adult | 102 | Humboldt, Del Norte, & Mendocino Counties | Exposure Factor Datasets | USA | 1.6 |
Survival/ Mortality | 1.9 | Average longevity | y | F | Adult | 123 | Humboldt, Del Norte, & Mendocino Counties | Exposure Factor Datasets | USA | 1.2 |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | Winter residents: 7.73 sq km, year-round residents: 2.28 sq km | sq km | NR | Adult | Winter residents: 249, year-round residents: 86 | Willamette Valley | Exposure Factor Datasets | USA | Winter residents: 3.19 sq km, year-round residents: 2.05 sq km | |
Territory Size | December: 14.52 km, January: 16.00, February: 15.86 km | Distance traveled | sq km | NR | Adult | December: 11, January: 13, February: 14 | Willamette Valley | Exposure Factor Datasets | USA | December: 2.73, January: 3.50, February: 2.28 km |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
CARBARYL | increased at 0.56 kg/ha (2, 8-9 d. post-spray) | whole carcass concentration of carbaryl | Not Reported | Not Reported | 8-9 birds/group | Toxicity Factor Datasets | |
CARBARYL | no effect | whole carcass lipid content | Not Reported | Not Reported | 6-13 birds/group | Toxicity Factor Datasets | |
CARBARYL | no effect | brain acetylcholinesterase activity | Not Reported | Not Reported | 6-13 birds/group | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DDE (4,4'-) | no correlation with DDE residues in eggs | eggshell thickness | Female | Adult | 12 eggs | McHenry and Billings Counties | Toxicity Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Acrididae (25.6%), Carabidae (26.2%), Tenebrionidae (8.5%), Curculionidae (7.1%), Scarabaeidae (6.8%), Hydrophilidae (1.3%), Chrysomelidae (1.1%), coleoptera larvae (9.7%), Syrphidae (3.3%), Sarcophagidae (1.9%), Muscidae (0.2%), lepidoptera larvae (0.5%), Formicidae (2.4%), Trichoptera (0.7%), Gastropoda (0.4%), Plant material (0.2%) | occurence of dietary items as percent of total gut contents | Both Male and Female | Both Adults and Juveniles | 72 birds | McHenry and Billings Counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 33.3 | estimated breeding density in open field habitat (24 ha) | pairs/100 ha | Both Male and Female | Adult | Not Reported | St. Paul Campus, Univ. of MN | Exposure Factor Datasets |
Least Tern (Sterna antillarum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | See citation Figure 2 | Young fledged | NR | Fledgling | See citation | Gibson Generating Station, Gibson County | Exposure Factor Datasets | USA |
Hatching Success | See citation Figure 2 | Nests hatched | Embryo | See citation | Gibson Generating Station, Gibson County | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 1995: 0.97, 1996: 0.03, 1997: 0.93 | Ratio of hatched eggs:total eggs | Embryo | 1995: 1472, 1996: 624, 1997: 349 | Cow Island, lower Mississippi River | Exposure Factor Datasets | USA | |
Hatching Success | 1995: 0.93, 1996: 0.30, 1997: 0.08 | Ratio of hatched eggs:total eggs | Embryo | 1995: 520, 1996: 911, 1997: 671 | Porter Lake, lower Mississippi River | Exposure Factor Datasets | USA | |
Hatching Success | 1995: 0.95, 1996: 0.90, 1997: 0.59 | Ratio of hatched eggs:total eggs | Embryo | 1995: 602, 1996: 483, 1997: 708 | St. Francis, lower Mississippi River | Exposure Factor Datasets | USA | |
Hatching Success | 1995: 0.87, 1996: 0.63, 1997: 0.40 | Ratio of hatched eggs:total eggs | Embryo | 1995: 527, 1996: 397, 1997: 727 | Kangaroo Pt., lower Mississippi River | Exposure Factor Datasets | USA | |
Clutch or Litter Size | 1995: 2.7, 1996: 2.3, 1997: 2.0 | Clutch size | Mean number of eggs/nest | Embryo | 1995: 550, 1996: 265, 1997: 172 | Cow Island, lower Mississippi River | Exposure Factor Datasets | USA |
Clutch or Litter Size | 1995: 2.6, 1996: 2.3, 1997: 1.9 | Clutch size | Mean number of eggs/nest | Embryo | 1995: 201, 1996: 392, 1997:361 | Porter Lake, lower Mississippi River | Exposure Factor Datasets | USA |
Clutch or Litter Size | 1995: 2.4, 1996: 2.6, 1997: 1.9 | Clutch size | Mean number of eggs/nest | Embryo | 1995: 245, 1996: 183, 1997: 374 | St. Francis, lower Mississippi River | Exposure Factor Datasets | USA |
Clutch or Litter Size | 1995: 2.4, 1996: 2.5, 1997: 2.1 | Clutch size | Mean number of eggs/nest | Embryo | 1995: 219, 1996: 159, 1997: 346 | Kangaroo Pt., lower Mississippi River | Exposure Factor Datasets | USA |
Time of Mating/ Laying | 1995: 181, 1996: 184, 1997: 199 | Clutch initiation dates | Julian date | Embryo | 1995: 546, 1996: 272, 1997: 182 | Cow Island, lower Mississippi River | Exposure Factor Datasets | USA |
Time of Mating/ Laying | 1995: 183, 1996: 187, 1997: 187 | Clutch initiation dates | Julian date | Embryo | 1995: 195, 1996: 371, 1997: 372 | Porter Lake, lower Mississippi River | Exposure Factor Datasets | USA |
Time of Mating/ Laying | 1995: 187, 1996: 192 1997: 187 | Clutch initiation dates | Julian date | Embryo | 1995: 255, 1996: 196, 1997: 382 | St. Francis, lower Mississippi River | Exposure Factor Datasets | USA |
Time of Mating/ Laying | 1995: 179, 1996: 182, 1997: 161 | Clutch initiation dates | Julian date | Embryo | 1995: 240, 1996: 161, 1997: 481 | Kangaroo Pt., lower Mississippi River | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 43-62% | Fledging success | NR | Fledgling | 110 | Lower Mississippi River | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 0-1.4 | Chicks fledged/pair | NR | Fledgling | 110 | Lower Mississippi River | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Hatching Success | 0.59 | Fledglings/pair | NR | Fledgling | Arkansas River at Tulsa | Exposure Factor Datasets | USA |
Population Density | 140 | Adult pairs along 94 km | B | Adult | Arkansas River at Tulsa | Exposure Factor Datasets | USA |
Hatching Success | 0.67 | Fledglings/pair | NR | Fledgling | Arkansas River at Tulsa | Exposure Factor Datasets | USA |
Population Density | 212 | Adult pairs along 94 km | B | Adult | Arkansas River at Tulsa | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|
Survival/ Mortality | Review | Percent survival | Embryo | Salt Plains National Wildlife Refuge | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sample Size | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|
Hatching Success | Review | Fledglings per nest | 522 | Venice Beach | Exposure Factor Datasets | Los Angeles | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 0.14-0.74 | Fledging success | Number of fledgings/number of hatched chicks | NR | Fledgling | Towsn of Wells & Kennebunk | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.25 | Mean clutch size | Eggs | Embryo | 20 nests | Priarie Dog Town Fork of the Red River in Childress County | Exposure Factor Datasets | USA |
Time of Nesting | June 1-July 10 | Nest initiation | 20 nests | Priarie Dog Town Fork of the Red River in Childress County | Exposure Factor Datasets | USA |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DDE (4,4'-), POLYCHLORINATED BIPHENYLS | 7% decrease | eggshell thickness compared with pre-1947 reference eggs | Female | Adult | 20 eggs | Cape Romain National Wildlife Refuge | Toxicity Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Molt | May-Jul | timing of primary molt | Not Reported | Adult | 190 birds | coastal areas | Exposure Factor Datasets |
Time of Molt | mid/late Jul-Sep | timing of pre-basic molt | Not Reported | Adult | Not Reported | coastal areas | Exposure Factor Datasets |
Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Hatching Success | 1.73 | average number of chicks per successful brood | chicks/brood | Not Reported | Hatchling | 119 broods | Baja California peninsula | Exposure Factor Datasets | MEXICO | 0.78 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | range in percent of clutches hatching at least one chick (over 4 years) | % | Not Reported | Hatchling | Not Reported | Mono Lake (elev. 1,940 m) | Exposure Factor Datasets | Mono | |
Fledging or Weaning Rate | 1.64 | number of chicks fledged per successful brood (for one year) | fledglings/brood | Not Reported | Fledgling | 22 nests | Mono Lake (elev. 1,940 m) | Exposure Factor Datasets | Mono |
Clutches or Litters per year | 2 | number of clutches laid by 30 out of 81 total nesting females | clutches/yr | Female | Adult | 81 nesting females | Mono Lake (elev. 1,940 m) | Exposure Factor Datasets | Mono |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 78.6 | percent annual survival | % | Male | Adult | 56 birds | Pajaro River Mouth | Exposure Factor Datasets | Monterey |
Survival/ Mortality | 72.6 | percent annual survival | % | Female | Adult | 73 birds | Pajaro River Mouth | Exposure Factor Datasets | Monterey |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | number of breeding birds per km of sandy beach surveyed | birds/km | Not Reported | Not Reported | 54.5-200.2 km per survey region | mainland coast | Exposure Factor Datasets |
Population Density | number of wintering birds per km of sandy beach surveyed | birds/km | Not Reported | Not Reported | 54.5-200.2 km per survey region | mainland coast | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 1.9 (fall), 3.4 (winter), 1.1 (spring) | mean population density | birds/ha | Not Reported | Not Reported | 5 seasons censused | Bolinas Lagoon, Point Reyes National Seashore | Exposure Factor Datasets | Marin |
California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | late Apr | time of arrival at breeding grounds | Both Male and Female | Adult | 2 colonies | Sunset Aquatic Park, Huntington Beach; Santa Margarita Lagoon | Exposure Factor Datasets | Orange |
Clutches or Litters per year | 1 | normal number of broods per year | Both Male and Female | Adult | Not Reported | Sunset Aquatic Park, Huntington Beach; Santa Margarita Lagoon | Exposure Factor Datasets | Orange |
Time of Mating/ Laying | May-Jul | period of egg laying, 2 years | Female | Adult | 2 colonies | Sunset Aquatic Park, Huntington Beach | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 0.69 | statewide average annual fledging rate, 13 years | fledglings/pair | Not Reported | Fledgling | 832-1708 nesting pairs/year | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Longevity | 13 | age of oldest banded breeding birds | yr | Not Reported | Adult | 40-105 birds/year | Venice (beach) | Exposure Factor Datasets | Los Angeles |
Survival/ Mortality | 0.88 | overall survival rate for adults that have returned to breed once | Not Reported | Adult | 82-165 breeding pairs/year | Venice (beach) | Exposure Factor Datasets | Los Angeles | |
Survival/ Mortality | 0.16 | rate at which chicks survived to breed at least once | Not Reported | Chick | 84-285 chicks/year | Venice (beach) | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Territory Size | 40 | radius of nesting territory | cm | Both Male and Female | Adult | Not Reported | Huntington Beach State Park | Exposure Factor Datasets | Orange |
Clutch or Litter Size | eggs/clutch | Female | Adult | 12 clutches | Huntington Beach State Park | Exposure Factor Datasets | Orange |
Snowy Plover (Charadrius nivosus formerly Charadrius alexandrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Longevity | 7-00 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 35 band recoveries | Exposure Factor Datasets | USA |