Four critically-endangered Western Santa Cruz Galapagos tortoise babies made their debut at the Philadelphia Zoo on Wednesday ...

For the first time in over 150 years, the Philadelphia Zoo has new additions to the Western Santa Cruz Galapagos tortoise ...

Here's the story of one such survivor, which is the largest bird in North America: the California Condor (Gymnogyps ...

These birds have evolved to withstand the equatorial sun and shelter in volcanic rocks along a subtropical coastline. After ...

For more than 60 million years, penguins of all kinds—including the opportunistic Magellanic penguin—have been driven by an ...

The animals graze the vegetation into a picturesque turf, fertilize the soil with their dung and disperse seeds over large ...

Earl and I went to California, and we were mugged. By whales. Three humpbacks. “Mugged” is the official term, meaning we were ...

HARDIN COUNTY, Iowa — A case of bird flu has been detected in a backyard mixed-species flock in Hardin County, the Iowa Department of Agriculture and Land Stewardship said Thursday. The case marks the ...

A small bird on the Galápagos Islands ... organization wants to reintroduce 11 species to the island. It's unclear whether its work helped bring back the schiribilla or if it was just undetectable.

The birth of tortoises native to Santa Cruz Island in the Galápagos increases their U.S. population from 44 to 48. A few ...

The arrival of four hatchlings to "Mommy" and "Abrazzo" is a "first" in the zoo's 150-year-old history, contributing to the population of a critically endangered species. Mommy, who has lived at ...

Numerous species of birds, like the piping plover, as well as small mammals and reptiles, have been driven to extinction or near extinction due to cat predation. Islands are especially vulnerable ...