A good many ducks quack, but not all ducks quack. However, a good old-fashioned quack will attract most ducks—mallards and non-mallards alike. But the ability to sound like different types or species ...
Ducks quack to each other in regional dialects, with London ducks drowning out their rural relatives, a researcher in Britain said Friday. Subscribe to read this story ad-free Get unlimited access to ...
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