Birdr

Herring Gull vs Great Black-backed Gull

Larus argentatus versus Larus marinus

Practice

Play a quiz with Herring Gull and Great Black-backed Gull

Herring Gull (Larus argentatus) Herring Gull
Great Black-backed Gull (Larus marinus) Great Black-backed Gull

Media

Loading…

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.

Submit a better description

Use the same sections as the comparison. Your text is published immediately.

Discard your changes?

You have unsaved edits. If you leave now, those changes will be lost.

Herring Gull · Great Black-backed Gull · My Tricky Birds