The eider, twice as heavy as a mallard, is Europe’s biggest duck. On leaving the nest, the female covers her eggs in down ...

Late February marks an exciting time for observing mallard ducks as they prepare for spring migration. While some head north, many remain in Southeast Missouri to nest and raise their young.

At least 112 North American bird species have lost more than half their populations in the past 50 years, according to a new ...