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A Ganzhorn’s mouse-lemur (Microcebus ganzhorni) at the Plzen Zoo in the Czech Republic.

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A Ganzhorn’s mouse-lemur (Microcebus ganzhorni) at the Plzen Zoo in the Czech Republic.

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A Ganzhorn’s mouse-lemur (Microcebus ganzhorni) at the Plzen Zoo in the Czech Republic.

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A Ganzhorn’s mouse-lemur (Microcebus ganzhorni) at the Plzen Zoo in the Czech Republic.

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A Ganzhorn’s mouse-lemur (Microcebus ganzhorni) at the Plzen Zoo in the Czech Republic.

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vulnerable red collared brown lemur (Eulemur collaris) at the Omaha Zoo.

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An endangered female crowned lemur (Eulemur coronatus) at the Cleveland Metroparks Zoo in Ohio.

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A vulnerable collared brown lemur (Eulemur collaris) at Omaha’s Henry Doorly Zoo and Aquarium.

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A common brown lemur (Eulemur fulvus) at Omaha’s Henry Doorly Zoo and Aquarium in Nebraska. This species is listed as vulnerable by IUCN.

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A common brown lemur (Eulemur fulvus) at Omaha’s Henry Doorly Zoo and Aquarium in Nebraska. This species is listed as vulnerable by IUCN.

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A critically endangered red ruffed lemur (Varecia rubra) at the Miller Park Zoo in Bloomington, Illinois.

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Two critically endangered red ruffed lemur (Varecia rubra) at the Miller Park Zoo in Bloomington, Illinois.

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A critically endangered red ruffed lemur (Varecia rubra) at the Miller Park Zoo in Bloomington, Illinois.

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Tonks, a 16 day old baby aye-aye (Daubentonia madagascariensis) at the Denver Zoo. This species is listed as endangered by both the IUCN and the Federal List.

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Tonks, a 16 day old baby aye-aye (Daubentonia madagascariensis) at the Denver Zoo. This species is listed as endangered by both the IUCN and the Federal List.

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Tonks, a 16 day old baby aye-aye (Daubentonia madagascariensis) at the Denver Zoo. This species is listed as endangered by both the IUCN and the Federal List.

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A western fat-tailed dwarf lemur (Cheirogaleus medius) named Osprey at the Duke Lemur Center. This species is listed as vulnerable by IUCN.

Various species of dwarf lemurs keep fat stored in their tails in order to go into hibernation or torpor for several weeks in the winter.

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A western fat-tailed dwarf lemur (Cheirogaleus medius) named Osprey at the Duke Lemur Center. This species is listed as vulnerable by IUCN.

Various species of dwarf lemurs keep fat stored in their tails in order to go into hibernation or torpor for several weeks in the winter.

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A group of ring-tailed lemurs (Lemur catta) at the Lincoln Children’s Zoo.

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A ring-tailed lemur and her pups (Lemur catta) at the Lincoln Children’s Zoo.

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A ring-tailed lemur and her pups (Lemur catta) at the Lincoln Children’s Zoo.

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A ring-tailed lemur (Lemur catta) at the Lincoln Children’s Zoo.

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A critically endangered black-and-white ruffed lemur (Varecia variegata variegata) at the Lincoln Children’s Zoo.

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A critically endangered black-and-white ruffed lemur (Varecia variegata variegata) at the Lincoln Children’s Zoo.

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A critically endangered black-and-white ruffed lemur (Varecia variegata variegata) at the Lincoln Children’s Zoo.

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A critically endangered black-and-white ruffed lemur (Varecia variegata variegata) at Lincoln Children’s Zoo in Nebraska.

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A critically endangered black-and-white ruffed lemur (Varecia variegata variegata) at the Lincoln Children’s Zoo.

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A critically endangered black-and-white ruffed lemur (Varecia variegata variegata) at the Lincoln Children’s Zoo.

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A critically endangered Coquerel’s sifaka (Propithecus coquereli) at Lemuria Land in Madagascar.

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A gray mouse lemur (Microcebus murinus) at the Duke Lemur Center. This animal’s name is ‘Buckwheat’, and he weighs just 80 grams. He went from having a broken foot in his first week of life to becoming a supermodel. Mouse lemurs can produce twins or triplets every year, and are sexually mature at one year of age.

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A critically endangered red ruffed lemur (Varecia rubra) at the Plzen Zoo in the Czech Republic.

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A critically endangered red ruffed lemur (Varecia rubra) at the Plzen Zoo in the Czech Republic.

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A critically endangered red ruffed lemur (Varecia rubra) at the Plzen Zoo in the Czech Republic.

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A critically endangered red ruffed lemur (Varecia rubra) at the Plzen Zoo in the Czech Republic.

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A critically endangered red ruffed lemur (Varecia rubra) at the Plzen Zoo in the Czech Republic.

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A critically endangered red ruffed lemur (Varecia rubra) at Miller Park Zoo in Bloomington, Illinois.

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

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