Photo of the day

An adult saltwater crocodile killed by larger rival. This image is from Crocodile King.

The wreckage of the HMS Ontario at the bottom of Lake Ontario. This image is from Drain the Oceans.

Vet Tech Tonya Green cuts Barbie the guinea pig's nails. This image is from Dr. T Lone Star Vet.

Tiger cub exploring the tiger yard at the Columbus Zoo. This image is from Secrets of the Zoo.

Stig and Vidar at work. This image is from Ice Road Rescue.

Queen Elizabeth National Park, Uganda. This image is from Tree Climbing Lions.

A flock of flamingos in their enclosure at the Columbus Zoo. This image is from Secrets of the Zoo.

A male hippo attempts to impress a female as it opens its mouth wide showing off it large teeth. This image is from The Flood.

A Red and Green Macaw. This image is from Wild Peru: Andes Battleground.

A large truck needs a rescue. This image is from Ice Road Rescue.

Two kangaroos enjoying the outdoors at the zoo's Australian exhibit. This image is from Secrets of the Zoo.

A saltwater crocodile hatchling on the river's edge. This image is from Crocodile King.

Veterinary Technician Maryanne Farmer holds Miss Deedee the hedgehog. This image is from Dr. T Lone Star Vet.

Capped heron in pond. This image is from Wild Peru: Andes Battleground.

Police interrogate a passenger. This image is from Airport Security.

Erin Bauer marvels at Astrid the Canadian lynx's paw. This image is from Secrets of the Zoo.

The Wreck of the USS Emmons laying on its starboard side on the seafloor off Okinawa, Japan. This image is from Drain the Oceans.

Adult saltwater crocodile eyes a potential meal. It is the largest reptile on Earth and rules the rivers and estuaries of Australia's Northern Territory. This image is from Crocodile King.

A Carmine Bee-eater tosses a grasshopper into the air, rearranging it to knock off the sharp armored legs before it swallows it. This image is from The Flood.

Agouti feeding on nuts. This image is from Wild Peru: Andes Battleground.

Zeb Hogan free dives alongside an enormous 30ft Whale shark. This image is from Zeb's Big Fish: Mexico.

Thord on his way to an ice cream truck that is stuck. This image is from Ice Road Rescue.

Transfer of the passenger. They take the passenger who was asking for refuge to another room. This image is from Airport Security.

One lion cub lounging in tree with tongue partially sticking out. This image is from Tree Climbing Lions.

Reconstruction of the Gjellestadt wreck drained of all mud, which was found in Halden, Norway. This image is from Drain the Ocean.

Capybara on a river bank. This image is from Wild Peru: Andes Battleground.

Vet Tech Maryanne Farmer goofs around with Miss Deedee the hedgehog. This image is from Dr. T Lone Star Vet.

Two heavily loaded trailers have collided, head on head on an icy road. This image is from Ice Road Rescue.

A male Jacana watches as its young chick crosses the mat of Lilly pads that cover one of the many channels that make up the Okavango Delta. This image is from The Flood.

A diver inspects the bell of the Steuben, found after over 70 years by Tomasz Stachura in the Baltic Sea. This image is from Drain the Oceans.