Here are the most popular national parks for birdwatching this spring

The spring bird migration is a period of time between February and June when birds leave their winter homes in the south and begin their journeys north.

Sloth distracts viewers during ESA’s Juice mission to Jupiter

"Aside from the actual launch, this guy is definitely the star of ESA's Juice telecast," Dr. Nadia Drake said Friday during ESA’s rocket launch of the Jupiter Icy Moons Explorer.

Landmark law saved whales through marine industry changes, scientists say

The drive to protect vanishing whales has brought impacts to marine industries and those changes are accelerating as the Endangered Species Act approaches its 50th anniversary.

Wisconsin wolf plan; DNR chief vows to bring vote in October

The Wisconsin DNR's policy board will get a finalized wolf management plan in October, the agency's leader said Wednesday.

Texas mom fearlessly removes snake from daughter's car engine: video

Bravery might be an understatement for Nicole Graham when she removed a snake from her daughter's car engine with no hesitation.

Racine Zoo's new arctic fox exhibit complete

The Racine Zoo announced Thursday that work on a new arctic fox enclosure has been completed. It is now near the bear exhibit.

Wisconsin DNR wolf plan; 3,500 public comments released

Wisconsin wildlife officials on Friday released thousands of public comments on a new wolf management plan. The DNR released a draft in November.

Wausau police encounter bat 'burglar' flying through business

Wausau police responding to a business' burglar alarm found a bat flying around inside, video posted to the department's Facebook page Thursday shows.

Moose guided out of Alaska hospital after wandering into building

So this moose walks into a medical building... While that could be a setup to a bad joke, it actually happened in Anchorage on Thursday.

What is it? Wildlife officials stumped as mysterious animal caught on Texas trail camera

Park rangers with the Texas Parks and Wildlife said Thursday they're scratching their heads, trying to identify the elusive creature captured on a game camera at Bentsen-Rio Grande Valley State Park in Mission.

New species of poisonous birds discovered in New Guinea jungle by Danish researchers

"The locals aren’t fond of spicy food and steer clear of these birds, because, according to them, their meat burns in the mouth like chili," Knud Jønsson, a researcher explained.

Watch: Twin tiger cubs emerge from their den for the first time

The twin tiger cubs, named Alif and Raya, engaged in some "playful rough and tumble." Sumatran tigers are critically endangered and just 350 remain in the wild, experts say.

Watch: Scientists film the world's deepest fish off Japan

The unknown snailfish species was filmed at a depth of more than 27,000 feet below the surface, researchers said.

VIDEO: Alligator body slams, eats massive python in Florida Everglades

A Florida woman captured an incredible video of an alligator enjoying a large python for an afternoon snack, garnering the attention of multiple people on social media. 

Woman jogging injured by charging cow that escaped nearby farm

Wild animals such as mountain lions and alligators have been known to attack humans out and about in nature – but this woman wasn’t expecting to be attacked by a farm animal.

Endangered whale spotted swimming with calf in rare footage

The NOAA Fisheries says the critically-endangered species usually travels the New England coast in the spring.