Ingo Arndt / Thick billed ravens interacting {Corvus crassirostris} Simien NP, Ethiopia, East Africa
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) chasing Thick-billed Raven (Corvus crassirostris) in flight. Simien National Park, Ethiopia, Africa.
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Ingo Arndt / Thick billed raven (Corvus crassirostris) perched on rock, Simien NP, Ethiopia
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Sandesh Kadur / Indian vulture (Gyps indicus) scavenging on dead rhino, with wings spread aggressively at Thick billed crow (Corvus crassirostris) Mizoram, north east India.
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) surrounded by Thick-billed Ravens (Corvus crassirostris). Simien National Park, Ethiopia, Africa.
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) calling at a Thick Billed Raven (Corvus crassirostris) as it lands. Simien National Park, Ethiopia, East Africa.
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) with Thick Billed Ravens (Corvus crassirostris). Simien National Park, Ethiopia, East Africa.
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Juan Carlos Munoz / Portrait of a Thick-billed raven (Corvus crassirostris). Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Pair of Thick-billed ravens (Corvus crassirostris) calling. Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Thick-billed raven (Corvus crassirostris) in flight. Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Portrait of two Thick-billed ravens (Corvus crassirostris). Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Thick-billed raven (Corvus crassirostris) in flight. Simien Mountains, Ethiopia, Feb 2010
