It’s true. A good many ducks quack, but not all ducks quack. It is also true that a good old-fashioned quack will attract most ducks—mallards and non-mallards alike. However, the ability to sound like ...
Look around the Mississippi flyway this fall, and you may see the greater or lesser scaup ("SKOPP"). Scaups are diving ducks that can fully submerge and swim underwater for food.
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