The life spans of these animals amaze scientists.

From Giant Tortoises to Immortal Jellyfish, These Impressive Animals Are Eight of the Longest-Living Species on Earth

Aging gracefully comes naturally to these creatures, which can live for hundreds, and sometimes even thousands, of years

Hawaiian crows, or ʻalalā, are intelligent birds that play an important role in Hawaiian culture. (This is not one of the five individuals taking part in the pilot release on Maui.)

Scientists Release Five Hawaiian Crows on Maui, Giving the Imperiled Birds a Second Chance—on a New Island

Only about 110 individuals of the species, called ʻalalā, are left in the world, making them the most endangered crows on Earth

Over the last few decades, wild turkeys have moved into cities, where they thrive thanks to few predators, abundant food and plenty of space to roam and roost.

Why Are Urban Turkeys Thriving?

As many wild populations decline, some city dwellers flourish—and may become a source for reintroductions to rural areas

Gus did not hesitate to belly flop into the ocean.

Gus, the Young Emperor Penguin Who Made a Surprise Appearance in Australia, Is Now Heading Home

Wildlife caretakers released the bird into the Southern Ocean after he'd put on some weight and regained his strength

The Santa Marta sabrewing, a highly elusive bird, showed itself in 2022, in Colombia, giving hope to conservationists.

Dedicated Scientists and Birdwatchers Tracked Down These Five ‘Lost’ Birds

A worldwide search party is using 21st-century tools to uncover long-unseen species, one of which hadn't been found since the 19th century

Two ivory-billed woodpeckers in one of the historic photographs that Arthur Allen captured in the field in 1935.

The Hero Who Convinced His Fellow Ornithologists of the Obvious: Stop Shooting Rare Birds and Watch Them Instead

Too late to save the ivory-billed woodpecker, Arthur Allen changed science forever with his seemingly simple idea

A view of the soft-bottomed Los Angeles River below the 400-foot-long Taylor Yard Bridge in Elysian Valley. The newest Taylor Yard parcel, currently fenced off as it undergoes toxic remediation, can be seen on the far right.

How the Arrival of an Endangered Bird Indicates What’s Possible for the L.A. River

Could the waterway that the city was built around make a comeback?

The penguin was malnourished after swimming thousands of miles from Antarctica.

Surfer Spots an Emperor Penguin on a Beach in Australia, Thousands of Miles From Its Antarctic Home

It's not clear how the juvenile male ended up so far north, but experts suggest he was motivated by his appetite

The beloved baby penguin Pesto is in his "awkward" phase, molting his downy feathers in favor of adult plumage.

See New Images of Pesto, Australia's Enormous Baby Penguin, in His 'Awkward Phase,' Molting His Downy Feathers

The viral king penguin chick at Sea Life Melbourne Aquarium is beginning to lose his youthful down, a process that will give him his distinctive and waterproof adult plumage

This fragment of a terror bird’s left tibiotarsus, a lower leg bone in birds equivalent to that of a human tibia or shin bone, dates to around 12 million years ago during the Miocene epoch.

Rare 'Terror Bird' Fossil Found in Colombia Reveals the Enormous Size of a Prehistoric Predator

The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other terror birds