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Dr. Ludwig Siefert and senior research assistant James Kalyewa use a wide range of monitoring techniques to track the movement of large predators in Uganda.

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A Rhesus macaque (Macaca mulatta) at the Rolling Hills Zoo.

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Rhesus monkeys (Macaca mulatta) at the Rolling Hills Zoo. The big male with complete fur is Adam. The female is Julie.

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Rhesus monkeys (Macaca mulatta) at the Rolling Hills Zoo. The big male with complete fur is Adam. The female is Julie.

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Experts check for the signals of radio collared lions.

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A crew tranquilizes and radio collars a lion for monitoring.

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A crew tranquilizes and radio collars a lion for monitoring.

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A brown rat (Rattus norvegicus) trapped by a research team studying rodents for a movement tracking study in Queensland, Australia.

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A biologist radio collars a lioness in the Ishasha Section of Queen Elizabeth National Park.

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An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.

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Endangered (IUCN) and federally endangered mountain yellow-legged frogs (Rana muscosa). Population locality: San Bernardino.

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An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.

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Captive breeding tanks for endangered (IUCN) and federally endangered mountain yellow-legged frogs (Rana muscosa).

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An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Jacinto.

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An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.

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An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.

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Endangered (IUCN) and federally endangered mountain yellow-legged frogs (Rana muscosa). Population locality: San Bernardino.

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Endangered (IUCN) and federally endangered mountain yellow-legged frogs (Rana muscosa). Population locality: San Bernardino.

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ESA002-00033

An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Jacinto.

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An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.

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A researcher from the Texas Marine Mammal Stranding Network photographs dead bottlenose dolphins (Tursiops truncatus) washed up from the Gulf of Mexico in a research effort to determine what killed the animals.

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A scientist examines and feeds captive frogs at the captive breeding facility known as Balsa de los Sapos, or Amphibian Ark, at Quito’s Catholic University, Ecuador.

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Amphibian specimens at the captive breeding facility known as Balsa de los Sapos, or Amphibian Ark, at Quito’s Catholic University, Ecuador.

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Scientists examine and feed frogs at the captive breeding facility known as Balsa de los Sapos, or Amphibian Ark, at Quito’s Catholic University, Ecuador.

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A captive, endangered marsupial frog (Gastrotheca litonedis) at the captive breeding facility known as Balsa de los Sapos, or Amphibian Ark, at Quito’s Catholic University, Ecuador.

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A scientist holds an endangered San Lucas marsupial frog (Gastrotheca pseustes) at the captive breeding facility known as Balsa de los Sapos, or Amphibian Ark, at Quito’s Catholic University, Ecuador.

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Atelopes ignescens, one of many extinct Atelopus species in the collection at Pontificia Universidad Catolica del Ecuador in Quito.

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A biologist at the amphibian lab of Pontificia Universidad Catolica del Ecuador in Quito.

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Three scientists examine the previous evening’s collection of amphibians in their hotel room in Limon, Ecuador.

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Tadpoles are preserved in formulin for future study in Limon, Ecuador.

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A male harlequin frog (Atelopus sp.) is swabbed for chytrid fungus at a research site near Limon, Ecuador.

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After being examined for chytrid fungus, a male harlequin frog (Atelopus sp.) is shown to members of the press at a research site near Limon, Ecuador.

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A researcher holds a male harlequin frog (Atelopus sp.) collected for captive breeding near Limon, Ecuador.

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A researcher surveys a ravine that was clogged by a road-widening/gravel mining project near Limon, Ecuador. The area was once prime amphibian habitat.

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The coordinator of Balsa de los Sapos (Amphibian Ark) Initiative displays Atelopus ignescens, one of many extinct Atelopus species in the collection at Pontificia Universidad Catolica del Ecuador in Quito.

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

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