Heather Angel / Brown headed gull (Chroicocephalus brunnicephalus) pair billing on water. Qinghai Lake, Qinghai Province, China. May.
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Heather Angel / Brown headed gulls (Larus brunnicephalus), three in flight. Qinghai Lake, Qinghai Province, China.
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Sylvain Cordier / Brown headed gull (Larus maculipennis), Sea Lion Island, Falkland Islands
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Sylvain Cordier / Brown headed gull (Larus maculipennis), Sea Lion Island, Falkland Islands
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Hanne & Jens Eriksen / Brown headed gull (Chroicocephalus brunnicephalus) in flight over water, India, January.
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Jouan & Rius / Black headed gull (Chroicocephalus ridibundus) sitting on nest in grass, Northumberland, UK, May.
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Enrique Lopez-Tapia / Brown-headed gull (Larus brunnicephalus) in flight over lake, with Mount Kailash, sacred mountain for Tibetans, in background. Manasarovar Lake (at 4,560m), Tibet, China.
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Aishwarya Sridhar / Brown-headed gull (Chroicocephalus brunnicephalus) walking in shallow water along the shore, Akshi beach, Alibaug, Maharashtra, India.