Heermann's Gull

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Heermann's Gull is a distinctive medium-sized gull of the Pacific coast of North America, unique for its dark grey body, white head (in breeding plumage), and red bill with a black tip.

Where to spot

Breeds primarily on Isla Rasa in the Gulf of California, Mexico. Disperses widely along the Pacific coast of North America, from British Columbia to Guatemala.

How to spot

Look for its striking dark body and white head (breeding plumage). Its red bill with a black tip is a key feature. Often found around piers, beaches, and fishing boats.

When to spot

Best observed during the non-breeding season (late summer to spring) along the Pacific coast, following its northward and southward dispersal from its breeding grounds.

Where to spot

Breeds primarily on Isla Rasa in the Gulf of California, Mexico. Disperses widely along the Pacific coast of North America, from British Columbia to Guatemala.

How to spot

Look for its striking dark body and white head (breeding plumage). Its red bill with a black tip is a key feature. Often found around piers, beaches, and fishing boats.

When to spot

Best observed during the non-breeding season (late summer to spring) along the Pacific coast, following its northward and southward dispersal from its breeding grounds.

Credits: Wikimedia Commons

This gull nests almost exclusively on Isla Rasa in the Gulf of California, Mexico, with nearly 95% of the global population breeding on this single island.

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