Homing and reproductive habits of mallards, gadwalls, and blue-winged teal

Author(s)

Lokemoen, John T., Harold F. Duebbert and David E. Sharp

Year

Mon, 01/01/1990 - 12:00

Article Title

Homing and reproductive habits of mallards, gadwalls, and blue-winged teal

Volume

106

Pages

1-28

Start Page Number

Final Page

Review

Datapoints

Displaying 1 - 11 of 11 datapoints.

Species: Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type	Endpoint Value	Sample Size	Units	Condition	Life Cycle Stage	Specific Location	Range	Type
Fledging or Weaning Rate	1.18	11 hens	fully feathered young/hen		Juvenile	prairie pothole region of North Dakota		Exposure Factor Datasets
Time of Nesting	April 26 - June 6	Not Reported				prairie pothole region of North Dakota		Exposure Factor Datasets
Time of Migration or Dispersal	May 5 - May 14	Not Reported				prairie pothold region of North Dakota		Exposure Factor Datasets
Time of Migration or Dispersal	April 20 - May 14	Not Reported			Adult	prairie pothole region of North Dakota		Exposure Factor Datasets
Clutch or Litter Size	8.49	57	eggs		Adult	prairie pothole region of North Dakota		Exposure Factor Datasets
Clutch or Litter Size	8.96	78	eggs		Adult	prairie pothole region of North Dakota		Exposure Factor Datasets
Population Density	3.62	Not Reported	breeding pairs/km2	during breeding season	Adult	Koenig study area	0.6 - 7.6	Exposure Factor Datasets
Population Density	4.72	Not Reported	breeding pairs/km2	during breeding season	Adult	Woodworth study area	3.1 - 8.7	Exposure Factor Datasets
Fledging or Weaning Rate	1.51	74 hens	fully feathered young/hen		Juvenile	prairie pothole region of North Dakota		Exposure Factor Datasets
Fledging or Weaning Rate	1.45	41 hens	fully feathered young/hen		Juvenile	prairie pothole region, North Dkota		Exposure Factor Datasets
Fledging or Weaning Rate	1.78	22 hens	fully feathered young/hen		Juvenile	prairie pothole region of North Dakota		Exposure Factor Datasets