Yellowstone, America's 1st national park, turns 150

On March 1, 1872, Yellowstone became America’s first national park and inspired a national parks movement around the world.

Video captures flock of birds suddenly falling from the sky in Mexico

A flock of yellow-headed blackbirds suddenly dropped from the sky on a street in Mexico, but the reason behind the mysterious fall remains unclear.

Crocodile with tire stuck around neck for 6 years is finally freed

A wild crocodile with a motorcycle tire stuck around its neck since 2016 has finally been freed thanks to an Indonesian bird catcher’s tireless effort.

Video: Flock of birds swarms Texas mall parking lot

Kenna Mitchell captured unnerving video of swarms of birds on top of cars and flying around a Texas parking lot.

Warmer summers creating worse tick problems for moose, Isle Royale study shows

It’s a ghastly sight: ticks by tens of thousands burrowed into a moose’s broad body, sucking its lifeblood as the agonized host rubs against trees so vigorously that much of its fur wears away. A new study shows the infestation is worsening.

Could sea lamprey be eradicated from the Great Lakes? A new control method suggests it's possible

Closer to vampires than actual fish, using their razor-sharp mouths and tongue, sea lamprey pushed the Great Lakes fishery to the brink after their discovery 100 years ago. Today, scientists are considering methods that could eradicate them.

The manchineel tree, the most dangerous in the world, is here in Florida

The manchineel tree is harmful in just about every way aside from looking at it. Legend even says it’s what killed Spanish explorer Ponce de Leon.

That's one way to open hunting season - deer filmed running through Michigan church

When faith leaders arrived at their Sturgis church Monday morning, they found signs of breaking and entering. It soon became clear it wasn't a human that had broken in.

Michigan proposes quarantining some firewood to kill pests

The state's agriculture department says more than 140 pests and diseases can be moved by firewood, including several harmful invasive species.

Are caracals legal in Michigan? An exotic African cat's escape in Royal Oak raises the question

Described as the size of a German Sheppard with the personality of one too, these carnivorous 50-pound African native cats feature ears similar to horns and long canine teeth. They hiss instead of meow and prey upon small mammals, birds, and rodents for food.

Two-headed turtle hatches in Massachusetts

A two-headed diamondback terrapin hatched two weeks ago at a protected nesting site in Massachusetts. A wildlife center is studying and caring for the turtle, which has a rare condition called bicephaly.

Shark bites floating alligator’s foot in wild video

The shark had been circling the alligator from below before taking a chance and biting the animal’s leg.

Ivory-billed woodpecker, 22 other species now extinct, US says

The ivory-billed woodpecker and 22 more birds, fish and other species were declared extinct by the U.S. Fish and Wildlife Service on Wednesday.