Pelecanus occidentalis
Brown Pelican (Pelecanus occidentalis)
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| AROCLOR 1254, DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), DIELDRIN | 0.896 ppm DDE, 0.256 ppm DDD, 0.166 ppm DDT, 0.208 dieldrin, 2.241 ppm PCB 1254 | mean residues in eggs | Female | Adult | 29 eggs | east coast | Toxicity Factor Datasets |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| DDE (4,4'-) | 8 ug/g | critical threshold of DDE concentration in egg (wet wt basis) associated with 20% eggshell thinning | Both Male and Female | Embryo | 813 eggs | Toxicity Factor Datasets | |
| DDE (4,4'-) | 3 ug/g | lowest level of DDE that would result in severely lowered reproductive success | Both Male and Female | Embryo | 156 eggs | Toxicity Factor Datasets |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| DDE (4,4'-) | 3 ug/g | level in eggs associated with impaired reproductive success (successful nests fledged at least one chick) | Both Male and Female | Juvenile | 156 eggs | Toxicity Factor Datasets |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| FUEL OILS | decrease | hatching success (proportion of eggs hatched per clutch) of oiled versus control eggs | Not Reported | Embryo | 61-205 eggs | Cape Fear River | Toxicity Factor Datasets |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| ARSENIC COMPOUNDS, MERCURY COMPOUNDS, POLYCHLORINATED DIBENZO-P-DIOXINS, SELENIUM COMPOUNDS | no effect | half-peak coefficient of variation (HPCV) in DNA content vs. reference samples | Not Reported | Chick | 15 | Ferry Slip Island and South Pelican Island (33deg59'N,77deg57'W) | Toxicity Factor Datasets |
| 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 |
