Mary McDonald / Flock of Gray-headed Gulls (Chroicocephalus cirrocephalus) flying over Lake Nakuru, Kenya, East Africa
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Andy Rouse / Grey-Headed albatross (Thalassarche / Diomedea chrysostoma) portrait, South Georgia
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Andy Rouse / Grey-headed albatross (Thalassarche / Diomedea chrysostoma) portrait, South Georgia
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Andy Rouse / Grey-Headed albatross (Thalassarche / Diomedea chrysostoma) portrait, South Georgia
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Hermann Brehm / Grey-headed Woodpecker(Picus canus) male on tree trunk, Germany. January
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Hermann Brehm / Great spotted woodpecker (Dendrocopos major) and Grey headed woodpecker (Picus canus) on tree trunk, Germany. December
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Doug Gimesy / Grey-headed flying-foxes (Pteropus poliocephalus) hang in a tree with one coming in to land. Yarra Bend Park. Fairfield, Victoria, Australia. November.
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Doug Gimesy / Grey-headed flying-foxes (Pteropus poliocephalus) hang in a tree with one coming in to land. Yarra Bend Park. Kew, Victoria, Australia. November.