Common Mergansers are primarily fish-eating ducks. Young mergansers require over half a pound of food per day during their first summer, and often supplement their fish diet with insects, mollusks, crustaceans, worms, frogs, small mammals, birds and plants. The pictured immature Common Merganser had just downed a crayfish when it spotted a frog which it succeeded in catching and eventually swallowing.
July 19, 2012 | Categories: Amphibians, Animal Diets, Birds, Diets, Ducks, Food Chain, Frogs, July, Waterfowl | Tags: Bird Diets, Birds, Common Merganser, Food Chain, Immature Common Merganser, Mergus merganser, Waterfowl | 3 Comments
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