Mark Moffett / Leafcutter Ant (Atta cephalotes) worker carries leaf with its jaws full, workers carrying leaves must rely on a special cast of smaller ants riding on the leaves to defend against Phorid fly (Phoridae...

Mark Moffett / Leafcutter Ant (Atta cephalotes) workers carrying leaves to nest, French Guiana

Heike Odermatt / Common Stinkhorn (Phallus impudicus) relasing smells to attract flies, Oirschot, Noord-Brabant, Netherlands

Heike Odermatt / Common Stinkhorn (Phallus impudicus) relasing smells to attract flies, Oirschot, Noord-Brabant, Netherlands

Murray Cooper / Wasp (Vespidae) nest, Amazon, Ecuador

Tui De Roy / Sharp-beaked Ground-Finch (Geospiza difficilis) group breaking into Nazca Booby (Sula granti) egg, Wolf Island, Galapagos Islands, Ecuador

Tui De Roy / Sharp-beaked Ground-Finch (Geospiza difficilis) group breaking into Nazca Booby (Sula granti) egg, Wolf Island, Galapagos Islands, Ecuador

Michael Durham / Coho Salmon (Oncorhynchus kisutch) eggs at ten weeks after spawning, Washington

Michael Durham / Oregon Division of Fish and Wildlife biologist Pat Matthews collects data on a newborn Elk (Cervus elaphus) calf in the Sled Springs Elk Study Area, the calf will be radio collared so that its movemen...

Mitsuhiko Imamori / Common Pillbug (Armadillidium vulgare) five collected in a glass, worldwide distribution

Matthias Breiter / Steller's Sea Lion (Eumetopias jubatus) on buoy, Cordova, Prince William Sound, Alaska

Mitsuaki Iwago / Dwarf Minke Whale (Balaenoptera acutorostrata) harvested by Russian whaling ship, Antarctica

Mark Moffett / Whistling Thorn (Acacia drepanolobium) tree occupied by mutualist Ant (Crematogaster mimosae) the Ants attack anything eating their tree-protecting the tree's leaves, Africa

Richard Du Toit / Hadada Ibis (Bostrychia hagedash) group on electricity tower with bird deterrent spikes, Marievale, South Africa

Gerry Ellis / African Elephant (Loxodonta africana) orphaned babies learning to find Acacia seed pods with Mishak, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Gerry Ellis / African Elephant (Loxodonta africana) keeper Mishak Nzimbi feeding milk bottle to orphan Natumi, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Mark Moffett / Researcher Jim Patton and assistants process rodent specimens for museum as military guard watches, Aaabshar-rayen, Iran

Flip Nicklin / Bottlenose Whale (Hyperoodon ampullatus) researchers aboard the Balaena searching for whales in fog, North Atlantic

Flip Nicklin / Dwarf Minke Whale (Balaenoptera acutorostrata) researcher Alistair Birtles working on notes, Australia