Staffan Widstrand / Wild Wonders of China / Great pied hornbill (Buceros bicornis) male bird photographed in flight in Hong Bung He, Dehong, Yunnan, China
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Neil Aldridge / Southern ground hornbill (Bucorvus leadbeateri) juvenile with an adult bird close by on the Selinda Reserve in northern Botswana. Vulnerable.
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Bence Mate / Hoopoe ( Upupa epops) in flight with blurred wings, Kiskunsagi National Park, Pusztaszer, Hungary. May.
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Bence Mate / Hoopoe (Upupa epops) landing, with lizard prey, Kiskunsagi National Park, Pusztaszer, Hungary. May.
Neil Aldridge / Southern yellow-billed hornbill (Tockus leucomelas) displays while calling in winter, Kruger National Park, South Africa.
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David Tipling / Huli Wigmen from the Tari Valley in Southern Highlands of Papua New Guinea, wearing a bill from Blyth's Hornbill as decoration, August 2011
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Hermann Brehm / Hoopoe (Upupa epops) perched on branch with cricket prey, Hungary. June
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Oscar Dewhurst / Malabar pied hornbill (Anthracoceros coronatus) male in flight. Goa, India. September.
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Hanne & Jens Eriksen / Eurasian hoopoe (Upupa epops) raising crown and stretching wings and tail. Oman, March.
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Ann & Steve Toon / Common scimitarbill (Rhinopomastus cyanomelas), Kgalagadi transfrontier park, South Africa
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Ann & Steve Toon / Common scimitarbill (Rhinopomastus cyanomelas) on tree trunk, Kgalagadi transfrontier park, South Africa.