Birdr

Glaucous-winged Gull vs Slaty-backed Gull

Larus glaucescens versus Larus schistisagus

Practice

Play a quiz with Glaucous-winged Gull and Slaty-backed Gull

Glaucous-winged Gull (Larus glaucescens) Glaucous-winged Gull
Slaty-backed Gull (Larus schistisagus) Slaty-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.

Glaucous-winged Gull · Slaty-backed Gull · My Tricky Birds