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Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Keyword: Horns

Photo: A male Jackson's chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

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A male Jackson’s chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

Photo: A female Jackson's chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

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A female Jackson’s chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

Photo: A female Jackson's chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

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A female Jackson’s chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

Photo: A female Jackson's chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

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A female Jackson’s chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

Photo: A male Jackson's chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

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A male Jackson’s chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.

Photo: A horned frog (Ceratophrys cornuta) at Balsa de los Sapos.

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A horned frog (Ceratophrys cornuta) at Balsa de los Sapos. This species is a part of a breeding study center at the Universidad Católica del Ecuador in Quito.

This individual was from Parque Nacional Yasuni, Ecuador.

Photo: A horned frog (Ceratophrys cornuta) at Balsa de los Sapos.

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A horned frog (Ceratophrys cornuta) at Balsa de los Sapos. This species is a part of a breeding study center at the Universidad Católica del Ecuador in Quito.

This individual was from Parque Nacional Yasuni, Ecuador.

Photo: A horned frog (Ceratophrys cornuta) at Balsa de los Sapos.

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A horned frog (Ceratophrys cornuta) at Balsa de los Sapos. This species is a part of a breeding study center at the Universidad Católica del Ecuador in Quito.

This individual was from Parque Nacional Yasuni, Ecuador.

Photo: A horned frog (Ceratophrys cornuta) at Balsa de los Sapos.

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A horned frog (Ceratophrys cornuta) at Balsa de los Sapos. This species is a part of a breeding study center at the Universidad Católica del Ecuador in Quito.

This individual was from Parque Nacional Yasuni, Ecuador.

Photo: A male Marco Polo sheep (Ovis ammon polii) at Tierpark Berlin.

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A male Marco Polo sheep (Ovis ammon polii) at Tierpark Berlin. This species is listed as near threatened on the IUCN Red List.

Photo: A male Marco Polo sheep (Ovis ammon polii) at Tierpark Berlin.

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A male Marco Polo sheep (Ovis ammon polii) at Tierpark Berlin. This species is listed as near threatened on the IUCN Red List.

Photo: A male Marco Polo sheep (Ovis ammon polii) at Tierpark Berlin.

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A male Marco Polo sheep (Ovis ammon polii) at Tierpark Berlin. This species is listed as near threatened on the IUCN Red List.

Photo: Black-faced impala (Aepyceros petersi) at the Lisbon Zoo.

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Black-faced impala (Aepyceros petersi) at the Lisbon Zoo.

Photo: Black-faced impala (Aepyceros petersi) at the Lisbon Zoo.

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Black-faced impala (Aepyceros petersi) at the Lisbon Zoo.

Photo: A male Himalayan blue sheep (Pseudois nayaur nayaur) at Padmaja Naidu Himalayan Zoological Park in Darjeeling, India.

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A male Himalayan blue sheep (Pseudois nayaur nayaur) at Padmaja Naidu Himalayan Zoological Park in Darjeeling, India.

Photo: A Barbary sheep (Ammotragus lervia blainei) at the Dallas Zoo. This species is listed as vulnerable on the IUCN.

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A Barbary sheep (Ammotragus lervia blainei) at the Dallas Zoo. This species is listed as vulnerable on the IUCN.

Photo: A Barbary sheep (Ammotragus lervia blainei) at the Dallas Zoo. This species is listed as vulnerable on the IUCN.

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A Barbary sheep (Ammotragus lervia blainei) at the Dallas Zoo. This species is listed as vulnerable on the IUCN.

Photo: A Barbary sheep (Ammotragus lervia blainei) at the Dallas Zoo. This species is listed as vulnerable on the IUCN.

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A Barbary sheep (Ammotragus lervia blainei) at the Dallas Zoo. This species is listed as vulnerable on the IUCN.

Photo: "I texted Santa but got Satan.

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“I texted Santa but got Satan. Stupid Autocorrect”

A yak (Bos grunniens) at the Sedgwick County Zoo in Wichita, Kansas.

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A yak (Bos grunniens) at the Sedgwick County Zoo in Wichita, Kansas.

Photo: A blue wildebeest (Connochaetes taurinus taurinus) at Parco Natura Viva in Bussolengo, Italy.

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A blue wildebeest (Connochaetes taurinus taurinus) at Parco Natura Viva in Bussolengo, Italy.

Photo: A barbary sheep (Ammotragus lervia) at Parco Natura Viva in Bussolengo, Italy.

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A barbary sheep (Ammotragus lervia) at Parco Natura Viva in Bussolengo, Italy.

Photo: A barbary sheep (Ammotragus lervia) at Parco Natura Viva in Bussolengo, Italy.

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A barbary sheep (Ammotragus lervia) at Parco Natura Viva in Bussolengo, Italy.

Photo: A male Defassa waterbuck (Kobus ellipsiprymnus defassa) at Parco Natura Viva in Bussolengo, Italy.

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A male Defassa waterbuck (Kobus ellipsiprymnus defassa) at Parco Natura Viva in Bussolengo, Italy.

Photo: A male Defassa waterbuck (Kobus ellipsiprymnus defassa) at Parco Natura Viva in Bussolengo, Italy.

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A male Defassa waterbuck (Kobus ellipsiprymnus defassa) at Parco Natura Viva in Bussolengo, Italy.

Photo: A male Defassa waterbuck (Kobus ellipsiprymnus defassa) at Parco Natura Viva in Bussolengo, Italy.

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A male Defassa waterbuck (Kobus ellipsiprymnus defassa) at Parco Natura Viva in Bussolengo, Italy.

Photo: A red serow (Capricornis rubidus) at the Assam State Zoo cum Botanical Garden.

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A red serow (Capricornis rubidus) at the Assam State Zoo cum Botanical Garden.

Picture of a vulnerable four-horned antelope (Tetracerus quadricornis) at the Assam State Zoo.

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A vulnerable four-horned antelope (Tetracerus quadricornis) at the Assam State Zoo. The front two horns are often tiny or missing in the male of this species.

Photo: A red serow (Capricornis rubidus) at the Assam State Zoo cum Botanical Garden.

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A red serow (Capricornis rubidus) at the Assam State Zoo cum Botanical Garden.

Photo: A female Lelwel hartebeest (Alcelaphus buselaphus lelwel) at the San Antonio Zoo.

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A female Lelwel hartebeest (Alcelaphus buselaphus lelwel) at the San Antonio Zoo.

Photo: A Serengeti topi (Damaliscus jimela), formerly known as Damaliscus lunatus jimela, at the San Antonio Zoo.

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A Serengeti topi (Damaliscus jimela), formerly known as Damaliscus lunatus jimela, at the San Antonio Zoo.

Photo: A male Lelwel hartebeest (Alcelaphus buselaphus lelwel) at the San Antonio Zoo.

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A male Lelwel hartebeest (Alcelaphus buselaphus lelwel) at the San Antonio Zoo.

Photo: A Serengeti topi (Damaliscus jimela), formerly known as Damaliscus lunatus jimela, at the San Antonio Zoo.

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A Serengeti topi (Damaliscus jimela), formerly known as Damaliscus lunatus jimela, at the San Antonio Zoo.

Photo: A Serengeti topi (Damaliscus jimela), formerly known as Damaliscus lunatus jimela, at the San Antonio Zoo.

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A Serengeti topi (Damaliscus jimela), formerly known as Damaliscus lunatus jimela, at the San Antonio Zoo.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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