Breeding biology of wood ducks using natural cavities in southern Illinois

Article Abstract:

Information on the breeding biology of wood ducks has been obtained largely through observations of artificial nest boxes, but more knowledge of their behavior in natural cavities is needed to better monitor trends in breeding populations. A new study in southern Illinois uses radiomarked female ducks to locate nest sites and observe nesting productivity. The study shows that nest success and parasitism rates are lower in natural cavities than in artificial nests and suggests that the exclusive use of nest boxes to monitor breeding populations may result in overestimation of nesting success.

Observations, Natural history, Habitats, Birds, Bird breeding, Animals

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Projected availability of natural cavities for wood ducks in Southern Illinois

Article Abstract:

The nest availability and den sites affect the population growth of wood ducks. The growth of forest cover in Illinois would increase the number of natural cavities for wood ducks.

Illinois, Demographic aspects, Environmental aspects, Growth, Natural resources, Animal populations, Company growth

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