Reproductive success, growth and survival of Black-crowned Night-Heron (Nycticorax nycticorax) and Snowy Egret (Egretta thula) chicks in coastal Virginia.

Author(s)

Erwin, R.M., Haig, J.G., Stotts, D.B. and Hatfield, J.S.

Volume

113

Issue

1

Start Page Number

119

Final Page

130

Datapoints

Displaying 1 - 9 of 9 datapoints.

Species: Snowy Egret (Egretta thula)
Exposure Endpoint Type	Endpoint Description	Endpoint Value	Sample Size	Units	Life Cycle Stage	Specific Location	Range	Countries	Type
Clutch or Litter Size			1992: 22, 1993: 48 nests	Eggs/nest	Embryo	Marsh islands near Chincoteague	1 to 5	USA	Exposure Factor Datasets
Growth Rate	Mass gain/day	See citation Table 3	1992: 22, 1993: 48 nests	g/d	Embryo	Marsh islands near Chincoteague		USA	Exposure Factor Datasets
Growth Rate	Culmen growth	See citation Table 3	1992: 22, 1993: 48 nests	mm/d	Embryo	Marsh islands near Chincoteague		USA	Exposure Factor Datasets
Time of Migration or Dispersal	Chick age at dispersal	56.3	22	d	Chick	Marsh islands near Chincoteague		USA	Exposure Factor Datasets
Time of Migration or Dispersal		53	20	d	Chick	Marsh islands near Chincoteague		USA	Exposure Factor Datasets
Survival/ Mortality	Weekly estimated survival rate	0.919			Chick	Marsh islands near Chincoteague		USA	Exposure Factor Datasets
Survival/ Mortality		0.833			Chick	Marsh islands near Chincoteague		USA	Exposure Factor Datasets
Foraging Distance	Dispersal movement		31	km	Juvenile	Marsh islands near Chincoteague	37.2 to 52.5	USA	Exposure Factor Datasets
Time of Migration or Dispersal	Age at dispersal	Review		d	Juvenile	Marsh islands near Chincoteague		USA	Exposure Factor Datasets

OEHHA California Office of Environmental Health Hazard Assessment