Tag: Anas platyrhynchos

THE EFFECT OF VARIABLE SPRING WATER CONDITIONS ON MALLARD REPRODUCTION

Mallard (Anas platyrhynchos) Science Article 10 abstract Mallard (Anas platyrhynchos) breeding densities in the prairie pothole habitat of eastern North Dakota during 1961-1980 varied from 2.28 birds/km2 in 1977 to 9.47 birds/km2 in 1963 and were correlated with pond abundance (r = 0.543, P < 0.05). The number of basins used by pairs declined with […]

Forced copulation in captive mallards (Anas platyrhynchos): II. temporal factors

Mallard (Anas platyrhynchos) Science Article 12 abstract A study of temporal trends in forced copulation was conducted in flight-pens with eight pairs of captive mallards to test the hypothesis that forced copulation is an evolved breeding strategy in waterfowl. Cheng, K. M.; Burns, J. T.; McKinney, F., Animal Behaviour 30:695-699 Download article download full text […]