Pelecaniformes
Double-crested Cormorant (Phalacrocorax auritus)
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
MERCURY (elemental), POLYCHLORINATED BIPHENYLS | 0.28 ppm wet wt mercury | concentration in liver | Not Reported | Nestling | 5 birds | Lake Pointsett, Dry Lake | Toxicity Factor Datasets | 2-4 wks old |
MERCURY (elemental), POLYCHLORINATED BIPHENYLS | 7.98 ppm wet wt mercury | concentration in liver | Both Male and Female | Adult | 5 birds | Lake Pointsett, Dry Lake | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
TETRACHLORODIBENZO-P-DIOXIN (2,3,7,8-) | 37.6 pg/g bw gained (wet wt) | pg TCDD equivalents accumulated per gram of body weight gained (from eggs to largest chicks) | Not Reported | Nestling | 20 chicks | Thunder Bay, Lake Huron | Toxicity Factor Datasets |
TETRACHLORODIBENZO-P-DIOXIN (2,3,7,8-) | 28.3 pg/g bw gained (wet wt) | pg TCDD equivalents accumulated per gram of body weight gained (from eggs to largest chicks) | Not Reported | Nestling | 20 chicks | North Channel, Lake Huron | Toxicity Factor Datasets |
TETRACHLORODIBENZO-P-DIOXIN (2,3,7,8-) | 47.5 pg/g bw gained (wet wt) | pg TCDD equivalents accumulated per gram of body weight gained (from eggs to largest chicks) | Not Reported | Nestling | 20 chicks | St. Martin's Shoal, Lake Huron | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
PCB 126 (3,3',4,4',5-PENTACHLOROBIPHENYL) | no effect | incidence of developmental abnormalities, edema, body weight effects, spleen or gonad histopathologic anomalies, or sex ratio in treated embryos versus controls | Not Reported | Embryo | 83-86 eggs/treatment | Lake Winnipegosis, Manitoba | Toxicity Factor Datasets | Laboratory |
TETRACHLORODIBENZO-P-DIOXIN (2,3,7,8-) | no effect | incidence of developmental abnormalities, edema, body weight effects, spleen or gonad histopathologic anomalies, or sex ratio in treated embryos versus controls | Not Reported | Embryo | 83-86 eggs/treatment | Lake Winnipegosis, Manitoba | Toxicity Factor Datasets | Laboratory |
TETRACHLORODIBENZO-P-DIOXIN (2,3,7,8-) | increased @ all doses | hepatic EROD activity in treated embryos versus controls | Not Reported | Embryo | 83-86 eggs/treatment | Lake Winnipegosis, Manitoba | Toxicity Factor Datasets | Laboratory |
PCB 126 (3,3',4,4',5-PENTACHLOROBIPHENYL) | increased @ all doses | hepatic EROD activity in treated embryos versus controls | Not Reported | Embryo | 83-86 eggs/treatment | Lake Winnipegosis, Manitoba | Toxicity Factor Datasets | Laboratory |
PCB 126 (3,3',4,4',5-PENTACHLOROBIPHENYL) | decreased @ 349 ug/kg egg | spleen weights in treated embryos versus controls | Not Reported | Embryo | 83-86 eggs/treatment | Lake Winnipegosis, Manitoba | Toxicity Factor Datasets | Laboratory |
TETRACHLORODIBENZO-P-DIOXIN (2,3,7,8-) | decreased @ 5.4, 11.7 ug/kg egg | spleen weights in treated embryos versus controls | Not Reported | Embryo | 83-86 eggs/treatment | Lake Winnipegosis, Manitoba | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
POLYCHLORINATED BIPHENYLS | decreased at 276, 672, 1606 ng/kg | Mean yolk weight of eggs | Female | Both Adults and Juveniles | 5-12 eggs/dose | Saskatchewan, British Columbia, Lake Ontario | Toxicity Factor Datasets | CANADA |
POLYCHLORINATED BIPHENYLS | increased at 1606 ng/kg | total hepatic cytochrome P450 content | Not Reported | Hatchling | 5-12 eggs/dose | Saskatchewan, British Columbia, Lake Ontario | Toxicity Factor Datasets | CANADA |
POLYCHLORINATED BIPHENYLS | increased at 1606 ng/kg | hepatic EROD activity | Not Reported | Hatchling | 5-12 eggs/dose | Saskatchewan, British Columbia, Lake Ontario | Toxicity Factor Datasets | CANADA |
POLYCHLORINATED BIPHENYLS | positive regression | linear regression of hepatic EROD activity or cyt P450 content on Toxic Equivalency Factors | Not Reported | Hatchling | 5-12 eggs/dose | Saskatchewan, British Columbia, Lake Ontario | Toxicity Factor Datasets | CANADA |
POLYCHLORINATED BIPHENYLS | negative regression | linear regression of wing length on Toxic Equivalency Factors | Not Reported | Hatchling | 5-12 eggs/dose | Saskatchewan, British Columbia, Lake Ontario | Toxicity Factor Datasets | CANADA |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
CADMIUM (elemental), MERCURY (elemental) | no correlation | correlation of mean metallothionein concentration (13.2-24.4 ug/g tissue) and metal concentrations in kidneys | Not Reported | Both Adults and Juveniles | 24 birds | Heron Is., Manawagonish Is., Ile aux pommes | Toxicity Factor Datasets | CANADA |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
POLYCHLORINATED BIPHENYLS | positive correlation | correlation of embryo mortality with TCDD equivalents in eggs | Not Reported | Embryo | 11 colonies @ 25-50 nests/colony | Great Lakes | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
POLYCHLORINATED DIBENZO-P-DIOXINS | increased | P-450-dependent arachidonic acid metabolism by liver microsomes | Not Reported | Embryo | 3 | Toxicity Factor Datasets | 1 day | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), POLYCHLORINATED BIPHENYLS | 28.8% decrease | mean thickness of eggshells collected in 1969 compared with pre-1946 museum specimens | Female | Adult | 17 eggs | Anacapa Island | Toxicity Factor Datasets |
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), POLYCHLORINATED BIPHENYLS | 38.3% decrease | mean thickness of eggshells collected in 1969 compared with pre-1946 museum specimens | Female | Adult | 23 eggs | Los Coronados Island | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), DIELDRIN, HEPTACHLOR EPOXIDE, HEXACHLOROBENZENE, MERCURY COMPOUNDS, POLYCHLORINATED BIPHENYLS | 95% | percent of eggs lost or broken before hatching in contaminated colonies | Not Reported | Embryo | 235 eggs | Lake Huron | Toxicity Factor Datasets |
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), DIELDRIN, HEPTACHLOR EPOXIDE, HEXACHLOROBENZENE, MERCURY COMPOUNDS, POLYCHLORINATED BIPHENYLS | 23.9% thinner | eggshell thickness compared with pre-1947 eggshells in contaminated colonies | Not Reported | Embryo | 18 eggs | Lake Huron | Toxicity Factor Datasets |
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), DIELDRIN, HEPTACHLOR EPOXIDE, HEXACHLOROBENZENE, MERCURY COMPOUNDS, POLYCHLORINATED BIPHENYLS | 2.4% | mean hatching success in contaminated colonies | Not Reported | Embryo | 331 eggs | Lake Huron | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
TETRACHLORODIBENZO-P-DIOXIN (2,3,7,8-) | observed at 3, 10, 100 ug/kg | mortality | Not Reported | Hatchling | 6-10 eggs/dose | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
POLYCHLORINATED BIPHENYLS | increased at 400, 800 ug/kg egg | incidence of embryo mortality versus controls | Not Reported | Embryo | 15-60/group | Toxicity Factor Datasets | Laboratory | |
POLYCHLORINATED BIPHENYLS | increased @ 5 ug/kg | weight of heart, liver and spleen versus controls | Not Reported | Embryo | 15-60/group | Toxicity Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 12/46 | number died/number hatched | Not Reported | Juvenile | 14 nests | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | ||
Growth Rate | 0.120 | rate of growth from hatch to fledge | Not Reported | Juvenile | 33 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | 0.017 SD | |
Body Weight - Mean | 34.7 | g | Not Reported | Hatchling | 33 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | 2.96 SD | |
Body Weight - Mean | 1900.5 | mean asymptotic weight of fledglings | g | Not Reported | Fledgling | 33 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | 189.8 SD |
Food Ingestion Rate | 4.30 | mean frequency of daily feeding of first hatched chick of a brood | feedings/d | Not Reported | Juvenile | 64 observations | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | 1.90 SD |
Food Ingestion Rate | mean meal weight of chicks aged 5-37 days | g | Not Reported | Juvenile | 2 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 36 | g | Not Reported | Hatchling | 16 birds | Utah Lake, Utah County | Exposure Factor Datasets | 1 d | |
Body Weight - Mean | 1543 | g | Not Reported | Juvenile | 13 birds | Utah Lake, Utah County | Exposure Factor Datasets | 23 d | |
Duration of Incubation or Gestation | 28 | average incubation | d | Not Reported | Hatchling | 16 eggs | Utah Lake, Utah County | Exposure Factor Datasets | |
Clutches or Litters per year | clutches/yr | Female | Adult | 11 nests | Utah Lake, Utah County | Exposure Factor Datasets | |||
Clutch or Litter Size | 3.8 | eggs/nest | Female | Adult | Not Reported | Utah Lake, Utah County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | 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 | |
Food Ingestion Rate | see figure | estimated average energy intake during the nestling period (to 50 days of age) | kcal/bird/day | Both Male and Female | Nestling | Not Reported | 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 | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Longevity | 17-08 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 4174 band recoveries | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2498.1 | body weight | g | Male | Adult | 160 | Exposure Factor Datasets | 16.0 SE | |
Body Weight - Mean | 2162.2 | body weight | g | Female | Adult | 41 | Exposure Factor Datasets | 29.8 SE |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Metabolic Rate | oxygen consumption during brooding period (to about 2 wks of age) | cm^3/g BW/hr | Both Male and Female | Nestling | Not Reported | Duck Island, Isle of Shoals (43 deg. 00'N, 70 deg 35'W) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Nesting | April-June | period during which nest initiations were observed | Both Male and Female | Adult | 296-424 nests/year | San Francisco Bay estuary | Exposure Factor Datasets |
Fledging or Weaning Rate | 0.98 +/- 0.07 to 1.78 +/- 0.06 | mean number of chicks fledged/nest (over 3 years) | Both Male and Female | Fledgling | 296-424 nests/year | San Francisco Bay estuary | Exposure Factor Datasets |
Clutch or Litter Size | 3.1+/- 0.1 to 3.2+/- 0.1 | mean number of eggs/nest (over 3 years) | Female | Adult | 263-312 nests/year | San Francisco Bay estuary | Exposure Factor Datasets |
Hatching Success | 76% | proportion of nests in which at least one egg hatched | Both Male and Female | Hatchling | 1056 nests | San Francisco Bay estuary | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | shad (26.1%), large roughfish (2.5%), small forage species (1.2%), catfish (9.6%), bass (16.5%), sunfish (15.0%), crappies (5.6%), other fishes (23.3%) | percent occurence of prey items by weight in stomach contents | Both Male and Female | Both Adults and Juveniles | 420 cormorants | east TX | Exposure Factor Datasets | ||
Body Weight - Mean | 2.3 | kg | Both Male and Female | Both Adults and Juveniles | 420 cormorants | east TX | Exposure Factor Datasets | 0.02 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | gunnels (5%), sculpins (1%), sand lance (44%), capelin (34%), flatfishes (11%), clupeids (4%), other (1%) | proportion of prey species in diet by percent volume | % | Not Reported | Both Adults and Juveniles | 187 | St. Lawrence Estuary and Gulf | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Nesting | year-round | time during which active nests were observed | Both Male and Female | Adult | 30 colonies | south FL | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1.33 | kg | Not Reported | Both Adults and Juveniles | 5 cormorants | Exposure Factor Datasets | Laboratory | ||
Metabolic Rate | 85 | measured during the day over temperature range -10 to 45 C | cm^3 O2/g BW/hr | Not Reported | Both Adults and Juveniles | 5 cormorants | Exposure Factor Datasets | Laboratory | |
Metabolic Rate | 74 | measured at night over temperature range -10 to 45 C | cm^3 O2/g BW/hr | Not Reported | Both Adults and Juveniles | 5 cormorants | Exposure Factor Datasets | Laboratory | |
Metabolic Rate | minimal metabolic rate measured over a range of incident radiation (0-700 watts/m^2) | cm^3 O2/g BW/hr | Not Reported | Both Adults and Juveniles | 5 cormorants | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | range in mean clutches in ground nests (across 4 years) | Female | Adult | 34-127 nests/colony | Lake Ontario (43 deg 53'N, 76 deg 24'W) | Exposure Factor Datasets | spring | |
Fledging or Weaning Rate | 2.14 | mean number of young produced/active nest (across 10 yrs) | Both Male and Female | Fledgling | Not Reported | Lake Ontario (43 deg 53'N, 76 deg 24'W) | Exposure Factor Datasets | spring |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | herring (25%), sculpin (92%), flounder (8%), anemones (8%), snails (17%), mussels (33%), amphipods (25%), isopods (17%), benthic shrimp (25%), crabs (25%), bryozoans (58%), algae (50%) | frequency of occurrence of food items in stomach contents | Not Reported | Both Adults and Juveniles | 12 stomachs | Quoddy Region, New Brunswick | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Growth Rate | 0.208 | K; index of rate at which asymptotic weight is being gained | Not Reported | Nestling | 1-52/sample day | Duck Island, Isle of Shoals | Exposure Factor Datasets | |
Body Weight - Mean | 1900 | asymptotic weight of nestlings | g | Not Reported | Nestling | Not Reported | Duck Island, Isle of Shoals | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | sculpin, rock gunnel, blueback herring, alewife, wrymouth, sand shrimp, cunner, American eel, rock crab, N. Caridean shrimp, sand shrimp, white perch, yellow perch, rainbow smelt, N. lobster, Atlantic tomcod | primary dietary items from nestling regurgitant samples | Not Reported | Nestling | 673 samples | Penobscot Bay | 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 | 27.6 | hatch weight | g | Both Male and Female | Hatchling | 11 chicks | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 1.2 SE |
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 |
Clutch or Litter Size | 3.2 | mean clutch size among successful nests | eggs | Female | Adult | 32 nests | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 0.2 SE |
Hatching Success | 2.8 | proportion of eggs hatched per nest among successful nests | eggs/nest | Both Male and Female | Hatchling | 32 nests | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 0.2 SE |
Fledging or Weaning Rate | 2.3 | fledging rate among successful nests | fledglings/nest | Both Male and Female | Fledgling | 32 nests | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 0.2 |
Growth Rate | 90.5 | growth rate during maximum growth phase | g/day | Both Male and Female | Nestling | 65 chicks | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 1.8 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.16 | mean clutch size | eggs | Female | Juvenile | 37 clutches | Cape Romain National Wildlife Refuge | Exposure Factor Datasets |
Clutch or Litter Size | 2.85 | mean clutch size | eggs | Female | Adult | 89 clutches | Cape Romain National Wildlife Refuge | Exposure Factor Datasets |
Hatching Success | 57.1% | percent of eggs producing downy young in succesful nests (nests producing at least one young) | Female | Juvenile | 7 nests | Cape Romain National Wildlife Refuge | Exposure Factor Datasets | |
Hatching Success | 60.2% | percent of eggs producing downy young in succesful nests (nests producing at least one young) | Female | Adult | 133 nests | Cape Romain National Wildlife Refuge | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 75 | average basal metabolism (heat production) | cal/kg/d | Not Reported | Adult | 1 bird (3 measurements) | Exposure Factor Datasets | fasted | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 3 | age of first nesting | yr | Not Reported | Adult | 13 nests | Barataria Bay | Exposure Factor Datasets | 3 yr |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | range of mean fledging ages over four years | days | Not Reported | Fledgling | 7-12 birds/year | Tarpon Key | Exposure Factor Datasets | |
Body Weight - Mean | body weight at hatching | g | Not Reported | Nestling | 47 birds | Tarpon Key | Exposure Factor Datasets | |
Growth Rate | see figure | daily growth rates of wild nestlings | Not Reported | Nestling | varied | Tarpon Key | Exposure Factor Datasets | |
Food Ingestion Rate | percent of body weight consumed daily during maintenance of adult weight | Not Reported | Both Adults and Juveniles | 4 birds | Tarpon Key | Exposure Factor Datasets | ||
Body Weight - Mean | body weight of captive adult | g | Not Reported | Adult | 1 bird | Tarpon Key | Exposure Factor Datasets |
California Brown Pelican (Pelecanus occidentalis ssp. californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 94% | estimated survival rate of radiotagged control birds at 150-180 days post-release | Not Reported | Adult | 17 | Southern California Bight | Exposure Factor Datasets | |
Survival/ Mortality | 69% | estimated survival rate of radiotagged rehabilitated oiled birds at 150-180 days post-release | Not Reported | Adult | 16 | Southern California Bight | Exposure Factor Datasets | rehabilitated oiled birds |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | early to mid-summer | time of northward movement from southern breeding areas | Both Male and Female | Both Adults and Juveniles | 3 years | northern and central coast | Exposure Factor Datasets | ||
Population Density | 0.23 | mean density at sea off central and northern coast | birds/km^2 | Both Male and Female | Both Adults and Juveniles | 3 years | central and northern coast | Exposure Factor Datasets | 0.23 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | northern anchovy, Engraulis mordax (80%) | percent of estimated prey biomass, from pre-fledgling regurgitations | Not Reported | Nestling | 3 colonies | Southern California Bight | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Fledging or Weaning Rate | range of mean fledging rates (number of fledglings per built nest) over a 6 year period | Not Reported | Fledgling | 76-1258 nests/year | West Anacapa Island | Exposure Factor Datasets |
Fledging or Weaning Rate | range of mean fledging rates (number of fledglings per built nest) over a 6 year period | Not Reported | Fledgling | 76-1258 nests/year | Isla Coronado Norte | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Foraging Distance | distance travelled by radiotagged bird | km/day | Not Reported | Juvenile | 1 bird | south Monterey Bay | Exposure Factor Datasets |