Photo of the day

Giant Pandas are bears – relatives of grizzlies, black and polar bears. But surprisingly pandas don’t hibernate – even though the temperature can drop to twenty below. They have to keep feeding. Bamboo provides only just enough energy, but it’s almost all they eat, for 14 hours a day. This image is from Panda goes wild.

REENACTMENT - NTSB investigators make a significant discovery at the crash site of Execuflight 1526. This image is from Air Crash Investigation.

Tessa Wilhelm and the team successfully give the Mexican wolf puppies their very first exam to ensure that they're healthy and to identify their genders. This image is from Secrets of the Zoo.

Bear Grylls shows Danny Trejo how to extract water. This image is from Running wild with Bear Grylls.

Hazen on a raft moving through river rapids. This image is from Primal Survivor.

One-month-old panda and mum, Wolong. This image is from Panda goes wild.

Hazen holding a dart blow gun practicing shooting targets. This image is from Primal Survivor.

Bear Grylls and Anthony Mackie climb a via ferrata. This image is from Running wild with Bear Grylls.

REENACTMENT - The Main Investigator (played by RJ Parrish) surveys the crash site of US-Bangla Airlines Flight 211, while another investigator documents the wreckage. This image is from Air Crash Investigation.

Hazen climbing down a steep waterfall. This image is from Primal Survivor.

REENACTMENT - The final moments before Execuflight 1526 crashes. This image is from Air Crash Investigation.

Hazen holding a fire torch in a dark cave. (National Geographic/Alex Holden). This image is from Primal Survivor.

Three-year-old panda and his mum in Wolong. He is no longer a teenager – and should take care for himself. This image is from Panda goes wild.

Hazen holding a green tree python in the jungle. This image is from Primal Survivor.

REENACTMENT - NTSB investigators make a significant discovery at the crash site of Execuflight 1526. This image is from Air Crash Investigation.

Hazen in forest with the Mentawia tribe. This image is from Primal Survivor.

Six-month-old cub up in a tree, waiting for its mother returning from her bamboo-feeding grounds. This image is from Panda goes wild.

Tyler and Peanut the muntjacs finally move into the aviary. This image is from Secrets of the Zoo.

Bear Grylls outside of camp in Utah. This image is from Running wild with Bear Grylls.

Bear Grylls and Danny Trejo stop to chat. This image is from Running Wild with Bear Grylls.

REENACTMENT - NTSB Investigator Joe Sedor (played by Jason Faulkner) reviews his notes, while a NTSB Crash Investigator takes photographs to help determine what caused Comair Flight 5191 to crash. This image is from Air Crash Investigation.

Hazen Audel pulling a traditional canoe by rope through rocky rapids. This image is from Primal Survivor.

Bear Grylls rappels down to a cached vehicle. This image is from Running wild with Bear Grylls.

Toddy the palm civet savors his treats. This image is from Secrets of the Zoo.

One of the four Mexican wolf puppies ventures outside their den. This image is from Secrets of the Zoo.

Phoebe the elephant enjoys her food as she prepares for her AI procedure. This image is from Secrets of the Zoo.

Curt Coleman and Zack Canter bring a sick Bactrian deer fawn to the vets. This image is from Secrets of the Zoo.

Bob the cheetah takes Kvamme's place in the Cheetah Run as the vet team bring him to see Dr. Mathew Lovett in MedVet. This image is from Secrets of the Zoo.

Bear Grylls calls in the helicopter. This image is from Running wild with Bear Grylls.

Three-month-old panda at Wolong, who is trained for reintroduction in the wilderness of the Qinling mountain. This image is from Panda goes wild.