An avian flu outbreak, which killed several elephant seals at California’s Año Nuevo State Park last month, has spread to two other mammal species, according to researchers.

Joro spiders, an invasive orb-weaving species native to East Asia, have invaded the U.S. and most of the Southeastern states.

After H5N1 bird flu was detected in elephant seals gathered at Ano Nuevo State Park, other marine mammals have also succumbed, including a sea otter and sea lion. So far, only animals in San Mateo ...

When two serpent-like oarfish washed ashore alive last week in Cabo San Lucas, Mexico, there was more excitement than fear. The deep-sea creatures were long and slender, with crimson-colored fins. But ...

Explore seven jelly creatures found off the Oregon coast, from Velella velella and moon jellies to giant lion’s mane, with graphics showing size, stings and other key facts.

Two massive “doomsday fish” washed ashore on a Mexican beach – leaving tourists stunned in a rare sight that some believe signals an ominous warning for humanity, according to wild footage. The ...

Including rare species of birds such as boat-billed herons, black-faced ibises and tawny frogmouths; zoo visitors can also see giant otters, Amur tigers, Malayan bears, giant pandas, and many other ...

Philadelphia Zoo’s post shows Travis Kelce is now the zoo parent of three giant river otters after Kylie Kelce’s surprise.

Measuring up to almost two metres (6 feet) long, the giant otter is the largest of its kind. Found in the Amazon, Orinoco and Río de la Plata River systems of South America, these highly social ...

NAHCOTTA — “We are watching the end of Willapa Bay’s ecosystem in real time,” says shellfish farmer Warren Cowell, just after tallying the 59,829 European green crab caught in the Port of Peninsula in ...

Tool use was once believed to be exclusive to humans, but plenty of animals have since been seen using objects to help them forage for food, clean themselves and create shelter. One of these species ...

Giant otters are often mistaken for harmless river mammals, but in reality they are highly aggressive predators capable of confronting animals built to kill. Working as coordinated family groups, they ...