Photo of the day

Galapagos, Ecuador: Nazca booby (Sula granti) portrait. Nazca booby parents do not intervene during siblicide events. This image is from Deadly Instincts.

New York, N.Y.: Bill Clinton and Neil deGrasse Tyson. This image is from Startalk.

South Luangwa, Zambia: Group of lionesses. Male lions and their lionesses develop strong bonds during mating. This image is from Deadly Instincts.

Norway: Hazen digging an ice cave so he can sleep protected from the blizzard. This image is from Primal Survivor.

House snake Lamprophi. This image is from Snake City.

Panama: Hazen on a hill looking at arrowtips with jungle in background - each arrow tip is used to hunt different prey. This image is from Primal Survivor.

Three Giraffes looking to the left. This image is from Giraffe African Giant.

Captive, Sweden: European Eagle owls (Bubo bubo) have been known to hunt long-eared hedgehogs (Hemiechinus auritus), where their ranges overlap. This image is from Deadly Instincts.

France: Catfish and frio trout. This image is from River Jaws.

Reenactment: Jim Ritter of the National Transportation Safety Board (played by Aaron Michael Reilly) and another investigator search for metal fatigue on a key piece of wreckage from Atlantic Southeast Flight 2311. This image is from Air Crash Investigation.

Morocco: Hazen holds a poisonous scorpion. This image is from Primal Survivor.

Arabia: Arabian chameleon (Chamaeleo arabicus). Chameleons are superbly adapted predators, with 360 degree vision and a long tongue. This image is from Deadly Instincts.

Norway: Hazen with his reindeer stag. This image is from Primal Survivor.

Masai Mara, Kenya, Africa: A lioness leading a pride (Panthera leo). When a new male infiltrates the pride, pregnant lionesses can be forced to leave the pride in order to ensure the survival of their cubs. This image is from Deadly Instincts.

An elephant is silhouetted as it wades through the water at sunset in Botswana. This image is from When Elephants Weep.

Mustang, Nepal: Hazen practicing slingshot with the sun behind him. This image is from Primal Survivor.

New York, N.Y.: Neil deGrasse Tyson and Susan Sarandon in Neil's office at the American Museum of Natural History. This image is from Startalk.

Port St Johns, Transkei, South Africa: Cape Gannet (Morus capensis) feeding on sardines. The sardine run attracts many predators, which all compete for food and survival. This image is from Deadly Instincts.

Giraffes in desert landscape standing and looking to the right. This image is from Giraffe African Giant.

Amboseli GR, Kenya, East Africa: Being born in the dry season can be a real danger for elephant calves, leaving them susceptible to starvation and predation. This image is from Deadly Instincts.

Simon holding a Python molurus bivittatus and Nadine Keys with a Python sitting in front of graffiti wall holding snakes. This image is from Snake City.

Masai Mara National Reserve, Kenya, July: Lion (Panthera leo) male trying to court a lioness. Male lions and their lionesses develop strong bonds during mating. This image is from Deadly Instincts.

Cape Canaveral, Fla.: Launch of STS-51L, the Space Shuttle Challenger, at 11:38 a.m. EST on January 28, 1986. This image is from The Challenger Disaster Tapes.

An elephant stands amongst yellow flowers and grass during the green season in Northern Botswana. This image is from When Elephants Weep.

Masai Mara National Reserve, Kenya: Female Cheetah licking nose, portrait (Acinonyx jubatus). A mother cheetah teaches her cubs to hunt. This image is from Deadly Instincts.

Turkey: The Grey Wolf can operate in packs of up to 36. Rigid discipline is enforced in the Wolf pack to keep subordinates in line. But the pack also share close social bonds and are normally related to each other. This image is from Wild Turkey.

Falklands- Elephant seal males fighting. Male elephant seals fight to gain access to female harems. This image is from Deadly Instincts.

Zanzibar: In Jozani, Red Colobus eat charcoal to aid the digestion of exotic leaves. This learned behaviour is passed down from mother to young through imitation. This image is from Wild Islands: Zanzibar.

A family of elephants walk together in Botswana. This image is from When Elephants Weep.

Serengeti National Park, Tanzania: Group of impalas in front of a tree. This image is from Amazing Animal Selfies.

South Africa- South African Fur Seals swimming (Arctocephalus pusillus pusillus). These seals follow the sardine run in order to feed, running the gauntlet of great white sharks (Carcharodon carcharias). This image is from Deadly Instincts.