Birders flock to Waterloo, Ont., pond to glimpse rare black-bellied whistling duck | CBC News
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Fauna & Flora - This duck doesn't quack... it whistles!* Meet the glorious West Indian duck, found in the Caribbean. But Caribbean wildlife is under threat. Despite being tiny on a global
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NotesFromTheRiver - Ducks That Whistle?
Amazon.com: Rhode Island Novelty Multicolor Duck Call Whistles - One Dozen (12) : Toys & Games
NotesFromTheRiver - Ducks That Whistle?
Black-bellied whistling ducks | Cindy McIntyre's Blog
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