Seasonal decline in brood sizes of sympatric waterfowl (Anas and Athya, Anatidae) and a proposed evolutionary explanation

Author(s)
Toft, Catherine A., David L. Trauger and Horatio W. Murdy
Year
Article Title
Seasonal decline in brood sizes of sympatric waterfowl (Anas and Athya, Anatidae) and a proposed evolutionary explanation
Volume
53
Pages
75-92
Start Page Number
75
Final Page
92
Review

Datapoints

Displaying 1 - 1 of 1 datapoints.
Species: Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Specific Location Type
Time of Hatching or Parturition Average date of hatching for 3 years straight (1963-65) June 14 50 broods Northwest Territories, Canada Exposure Factor Datasets
OEHHA California Office of Environmental Health Hazard Assessment