Survival of Mallard Broods in South-Central North Dakota
- 1 February 1983
- journal article
- research article
- Published by Oxford University Press (OUP) in Ornithological Applications
- Vol. 85 (1), 74-78
- https://doi.org/10.2307/1367893
Abstract
Survival characteristics of 25 broods of mallards (A. platyrhynchos) were determined on a study area in the Missouri Coteau of south-central North Dakota in 1976-1977. Radio-equipped mallard hens fledged at least 1 duckling in 7 of 16 (44%) broods produced in 1976, 5 of 9 (55%) in 1977, and 12 of 25 (48%) for both years combined. Of the 13 broods in which all young were lost, 11 (85%) wre lost within the first 2 wk after hatching. All losses of entire broods occurred in wetlands; few ducklings and no entire broods were lost during overland travel. Predation by mink (Mustela vison) was apparently the principal cause of duckling mortality.This publication has 10 references indexed in Scilit:
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