• Shifaka lemurs have strong legs and torso which means they move in a peculiar sideways hop,... [Photo of the day - May 2015]
    Shifaka lemurs have strong legs and torso which means they move in a peculiar sideways hop, using their arms for balance. This image is from Madagascar’s Legendary Lemurs.
    iStockPhoto
  • Berghof (Bavaria), Germany: An image of Adolf Hitler from a film of Eva Braun. This image is... [Photo of the day - May 2015]
    Berghof (Bavaria), Germany: An image of Adolf Hitler from a film of Eva Braun. This image is from Hitler's Last Year.
    Atelier des Archives
  • Durban, South Africa: The striking bands are visible when the rinkhals rears up and spreads its... [Photo of the day - May 2015]
    Durban, South Africa: The striking bands are visible when the rinkhals rears up and spreads its hood. This image is from Cobra Mafia.
    Earth Touch
  • Swimmers off the coast of Destin, FL share the waters with creatures big and small, including... [Photo of the day - May 2015]
    Swimmers off the coast of Destin, FL share the waters with creatures big and small, including hammerhead sharks. This image is from Animals Gone Wild.
    Getty Images
  • Kal Penn from "The Big Picture with Kal Penn". This image is from The Big Picture with Kal Penn. [Photo of the day - May 2015]
    Kal Penn from "The Big Picture with Kal Penn". This image is from The Big Picture with Kal Penn.
    National Geographic Channels/Scott Gries
  • Guyana: A richly colored toucan. This image is from  Anaconda: Silent Killer. [Photo of the day - May 2015]
    Guyana: A richly colored toucan. This image is from Anaconda: Silent Killer.
    ZDF Enterprises GmbH/ Marion Pöllmann
  • Moss millipede is endemic to the Cloud Forests of the Southern Choco and camouflages itself by... [Photo of the day - May 2015]
    Moss millipede is endemic to the Cloud Forests of the Southern Choco and camouflages itself by growing a garden on its hard carapace. Over 400 plants can grow on one millipede. This image is from Wild Colombia.
    Andy Moorwood
  • Ring tailed lemurs stop often to bask in the Madagascar sun. This image is from... [Photo of the day - May 2015]
    Ring tailed lemurs stop often to bask in the Madagascar sun. This image is from Madagascar’s Legendary Lemurs.
    iStockPhoto / Petr Mašek
  • Tiger sharks have teeth that can rip through flesh and bone. On a dive, one Australian man gets... [Photo of the day - May 2015]
    Tiger sharks have teeth that can rip through flesh and bone. On a dive, one Australian man gets a firsthand look at an approaching tiger shark. This image is from Animals Gone Wild.
    Getty Images
  • Bennington, VT: Tom Kiely and his son sit on a floating park bench on the lake. This image is... [Photo of the day - May 2015]
    Bennington, VT: Tom Kiely and his son sit on a floating park bench on the lake. This image is from This image is from Building Wild.
    National Geographic Channels/George Verschoor
  • Medium shot of poison dart frog sitting on leaf. Their bright colours signify danger to those... [Photo of the day - May 2015]
    Medium shot of poison dart frog sitting on leaf. Their bright colours signify danger to those who dare try to eat them. This image is from Monster Frog.
    Earth Touch Ltd.
  • Guyana: The heat receptors around the emerald tree boa’s mouth are clearly visible. 
This... [Photo of the day - May 2015]
    Guyana: The heat receptors around the emerald tree boa’s mouth are clearly visible. This image is from Anaconda: Silent Killer.
    ZDF Enterprises GmbH/ Marion Pöllmann
  • Some zoos include mixed-species exhibits where animals from similar habitats interact as they do... [Photo of the day - May 2015]
    Some zoos include mixed-species exhibits where animals from similar habitats interact as they do in nature. But when a monkey decides to hitch a ride on a tiny antelope, things get heavy. This image is from Animals Gone Wild.
    Getty Images
  • Germany: Red kites (Milvus milvus) are highly endangered and very elegant raptors . Sometimes... [Photo of the day - May 2015]
    Germany: Red kites (Milvus milvus) are highly endangered and very elegant raptors . Sometimes they compete against lesser spotted eagles (Aquila pomarina) while searching for food. This image is from Eagle - Queen of the Skies.
    Doclights GmbH / NDR Naturfilm
  • The high humidity of this tropical rainforest makes it a paradise for amphibians. Endemic to a... [Photo of the day - May 2015]
    The high humidity of this tropical rainforest makes it a paradise for amphibians. Endemic to a few isolated regions of the Colombian Chocó. Golden Dart frogs hop through the leaf litter in search of their next meal. Brightly colored they stand tall amongst the leaves they’re bright yellow skin acts as a beacon warning predators to stay away. And with good reason… Golden Dart Frogs are the most poisonous vertebrate on earth. This image is from Wild Colombia.
    Freya Short
  • Close up on leopards face and strong body. Long whiskers help the leopard interpret the world... [Photo of the day - May 2015]
    Close up on leopards face and strong body. Long whiskers help the leopard interpret the world around her and gauge objects distances from her body. This image is from Africa’s Creative Killers.
    Earth Touch Ltd.
  • The period when male deer challenge each other for dominance is called the "rut." Fights can end... [Photo of the day - May 2015]
    The period when male deer challenge each other for dominance is called the "rut." Fights can end decisively, or males can be locked in lengthy battles. This image is from Animals Gone Wild.
    Getty Images
  • Photo mosaics of Titanic wreckage. The bow of the Titanic ship wreck. This image is from Drain... [Photo of the day - May 2015]
    Photo mosaics of Titanic wreckage. The bow of the Titanic ship wreck. This image is from Drain the Titanic.
    2012 RMS Titanic, Inc.; Produced by AIVL, Woods Hole Oceanographic Institute
  • Three lioness hunting together. Females are mainly the hunters of the pride, while males only... [Photo of the day - May 2015]
    Three lioness hunting together. Females are mainly the hunters of the pride, while males only hunt when a big kill is involved. This image is from Africa’s Creative Killers.
    Earth Touch Ltd.
  • Trequanda, Italy: David Rocco mingles with the locals in Pienzo. This image is from David... [Photo of the day - May 2015]
    Trequanda, Italy: David Rocco mingles with the locals in Pienzo. This image is from David Rocco's Dolce Vita.
    Rockhead Entertainment/Francesco Lastrucci
  • Underside shot looking up through leaf to silhouette of tree frog. Tree frogs distinctive... [Photo of the day - May 2015]
    Underside shot looking up through leaf to silhouette of tree frog. Tree frogs distinctive disc-shaped toes give its feet more suction and therefore better grip when moving around in the trees. This image is from Monster Frog.
    Earth Touch Ltd.
  • Lioness resting with cub. Cubs remain with their mother for 21 – 24 months. This image is... [Photo of the day - May 2015]
    Lioness resting with cub. Cubs remain with their mother for 21 – 24 months. This image is from Africa’s Creative Killers.
    Earth Touch Ltd.
  • Elephants have complex systems of communication, which can be life-saving when a baby is in... [Photo of the day - May 2015]
    Elephants have complex systems of communication, which can be life-saving when a baby is in distress. This image is from Animals Gone Wild.
    Getty Images
  • Morganza, LA.: Seth, David, and Keith in their boat as they continue to set traps in hopes of... [Photo of the day - May 2015]
    Morganza, LA.: Seth, David, and Keith in their boat as they continue to set traps in hopes of catching alligators on opening day. This image is from Filthy Riches.
    National Geographic Channels/Autumn Montgomery
  • As birds that swim, penguins have to be on the lookout at all times in the water for hungry... [Photo of the day - May 2015]
    As birds that swim, penguins have to be on the lookout at all times in the water for hungry predators - like orca. This image is from Animals Gone Wild.
    Getty Images
  • Germany: Pristine forests are first choice habitats for eagles. They build their nests in the... [Photo of the day - May 2015]
    Germany: Pristine forests are first choice habitats for eagles. They build their nests in the canopies of old tree giants. This image is from Eagle - Queen of the Skies.
    Doclights GmbH / NDR Naturfilm
  • Pitigliano, Italy: Chef Domenico Pichini and David Rocco enjoy their bugliogne d agnello on the... [Photo of the day - May 2015]
    Pitigliano, Italy: Chef Domenico Pichini and David Rocco enjoy their bugliogne d agnello on the two-table patio of Chef Domenico's restaurant - Ristorante Il Tufo Allegro. This image is from David Rocco's Dolce Vita.
    Rockhead Entertainment/Francesco Lastrucci
  • A leopard just after feeding on a recent kill. They can leap more than 20 feet horizontally, and... [Photo of the day - May 2015]
    A leopard just after feeding on a recent kill. They can leap more than 20 feet horizontally, and 10 feet vertically, helping to take down prey in an ambush style attack. This image is from Fatal Attractions.
    Earth Touch LTD
  • Guyana: A spectacled caiman suns itself on a rock in the Essequibo. This image is from . [Photo of the day - May 2015]
    Guyana: A spectacled caiman suns itself on a rock in the Essequibo. This image is from .
    ZDF Enterprises GmbH/ Marion Pöllmann
  • For thousands of years the Tepuis of Chiribiquete have been a sacred place. Ancient Karijonas... [Photo of the day - May 2015]
    For thousands of years the Tepuis of Chiribiquete have been a sacred place. Ancient Karijonas people made pilgrimages to these mountains… and it’s here they left their mark. This image is from Wild Colombia.
    Andy Moorwood
  • Petersburg, N.Y.: The finished cabin. This image is from Building Wild. [Photo of the day - May 2015]
    Petersburg, N.Y.: The finished cabin. This image is from Building Wild.
    National Geographic Channels/George Verschoor