Motmot

American Herring Gull vs European Herring Gull

Larus smithsonianus versus Larus argentatus

Practice

Play a quiz with American Herring Gull and European Herring Gull

American Herring Gull (Larus smithsonianus) American Herring Gull
European Herring Gull (Larus argentatus) European Herring Gull

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Writing a comparison…

This looks up Birds of the World identification notes, then asks the model to contrast the pair. It can take a minute.

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American Herring Gull · European Herring Gull · My Tricky Birds