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Mallard - Wikipedia
Mallard - National Geographic
Mallard Duck - National Geographic Kids
Mallard Duck - Description, Habitat, Image, Diet, and Interesting …
Mallard | Anatomy, Migration & Diet | Britannica
Mallard | Audubon Field Guide
Mallard Identification, All About Birds, Cornell Lab of Ornithology
Mallard Overview, All About Birds, Cornell Lab of Ornithology
Mallard - National Wildlife Federation
Mallard - Facts, Diet, Habitat & Pictures on Animalia.bio
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