Two black guillemots / tysties (Cepphus grylle) in breeding plumage swimming in sea

- Image ID: KCJH5F
Two black guillemots / tysties (Cepphus grylle) in breeding plumage swimming in sea Stock Photo
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Two black guillemots / tysties (Cepphus grylle) in breeding plumage swimming in sea
Arterra Picture Library / Alamy Stock Photo
Image ID: KCJH5F