great black-backed

Why Are Some Seagulls Gray?

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In flocks, even slight differences in the shade of gray can signal the presence of a different species Head pattern: During the breeding season, most adult gulls have white heads, including herring, great black-backed, western, and glaucous-winged. A few, like laughing, Franklin’s, and Bonaparte’s, have dark hoods. Can seagulls be grey? Herring Gulls take four … Read more

Are There Different Colored Seagulls?

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In flocks, even slight differences in the shade of gray can signal the presence of a different species Head pattern: During the breeding season, most adult gulls have white heads , including herring, great black-backed , western, and glaucous-winged. A few, like laughing, Franklin’s, and Bonaparte’s, have dark hoods. What colors do seagulls come in? … Read more