Mallard ducks, particularly the females, quack often to communicate in different ways. One duck owner on the Reddit subreddit r/ducks reported that their female mallard quacked constantly while in ...
6 天on MSN
A new report says at least 112 North American bird species have lost more than half their populations in the past 50 years.
The eider, twice as heavy as a mallard, is Europe’s biggest duck. On leaving the nest, the female covers her eggs in down ...
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