Weddell seals are exceptional divers that can reach depths of more than 900 meters (2,952 feet) with some dives lasting 96 minutes— well beyond their aerobic threshold.

The Weddell seals were already finished molting, so the scene was much cleaner. The fur of Weddell seals appeared like beautiful patchwork, speckled with splotches of grey on dark-silver skin.

Weddell seals have been "extensively studied for over 40 years," the caption of the photo says, adding that studies of these seals are one of the longest-running of a long-lived animal.

The researchers found that the historical “isotopic niche” of Weddell seals (as indicated by the variability of the carbon and nitrogen isotopes) was over five times larger than the modern niche. This ...

A new study shows that melting sea ice due to increasing temperatures is leading to a "concerning" and severe decline in ...

According to the Seal Conservation Society, adult Weddell seal females are slightly longer than males and grow to nearly 11 feet long and weigh from 800 to 1,300 pounds. Pups are born about 4-5 ...

Antarctica's Weddell seals communicate with each other in a high-pitched underwater language reminiscent of Star Wars sound effects, a new study finds.

The blue whale, bottlenose dolphin, Weddell seal, and elephant seal cut diving energy costs 10 to 50 percent by simply gliding downward. Skip to content Subscribe or renew today ...

Unlike large, docile Weddell seals, crabeaters are aggressive and can be difficult to wave wash. As melting ice keeps more seals on land, these killer whales must hunt what they can find.

Weddell seals in Erebus Bay, Antarctica, may look like couch potatoes when they are resting on ice. However, these seals, which are the southernmost population of the southernmost living mammals ...