Video: Mako shark jumps onto fishing boat in Maine

“A once-in-a-lifetime experience!” Sea Ventures Charters wrote in a Facebook post. “Thankfully, no one on board was injured!”

America's rarest snake found choked to death on giant centipede in Florida

The rim rock crowned snake is the rarest snake in North America, and was spotted for the first time in 4 years in the Florida Keys — but researchers say the reptile was found dead, and had apparently choked to death while trying to eat a giant centipede.

'It's do or die': Man loses arm after surviving alligator attack at Lake Manatee

The man was alone and missing part of his arm after he was attacked by the gator at Lake Manatee and spent three days lost in the woods before finding help.

Sonar image appears to show '50-foot megalodon' shark near boat. This is what it really was

An incredible sonar image of what researchers thought was a 50-foot megalodon shark led them to believe the prehistoric beast of the seas had returned – until they realized what it really was. 

Real or fake? Photo of alligator being hauled behind SUV on Florida highway raises questions

A photo of an alligator – presumed to have been killed during a hunt – being hauled behind an SUV in Florida over the weekend has begun to make the rounds on social media – and has people divided and asking questions

Seal and dog play fetch on Santa Cruz beach

A surf photographer captured video of a seal chasing after a ball with his dog on a Santa Cruz beach last weekend. The uncommon playmates are seen bouncing through the ocean together, playing fetch.

Waterspout spotted off Alabama coast

A waterspout was spotted off the coast of Fort Morgan, Alabama

Deadly bird flu returns to Midwest earlier than expected after lull

The highly pathogenic disease was detected in a commercial turkey flock in western Minnesota, officials said. It was the first in the Midwest since an infection in Indiana on June 9.

Isle Royale wolf population has dramatic comeback after nearly dying off

Isle Royale National Park’s gray wolf population has reached 28, a dramatic comeback after the species nearly disappeared from the Lake Superior island chain, researchers said Wednesday.

ZooMiami X-ray shows invasive python — and its tracking transmitter — inside cottonmouth snake

Zoologists in South Florida made an incredible discovery when they went looking for an invasive python they had been tracking with a transmitter — only to find it had been eaten by a native cottonmouth snake.

Pennsylvania emotional support alligator is up for 'America's Favorite Pet'

WallyGator, an emotional support alligator from York, Pennsylvania, is in the lead for America’s Favorite Pet Animal Kingdom, a new pet popularity contest

See the invasive Australian crawfish discovered in Texas

Texas wildlife officials said they don't know when the invasive crayfish were first introduced or how far they have spread, but "they can have a negative effect on local species and biodiversity."