Animals

Ninety percent of the seagrass has died in an important estuary, leaving manatees without enough to eat. More than 1,000 manatees have died, and many others are emaciated and distressed.

A new look at nearly 3.7 million-year-old fossil footprints uncovered in Tanzania shows that multiple species of early humans lived together at the same time.

U.K. researchers say crabs, lobsters and octopuses have feelings — including pain. The nervous systems of these invertebrates are at the center of a bill working its way through Britain's Parliament.

The roughly 2,000-mile journey took the rhinos to their new home in Akagera National Park, where advocates hope the animals will be able to establish a new breeding stronghold and evade poachers.

Researchers suggest typically loyal albatross could be divorcing more because of climate change. The scientific term for when an albatross couple calls it quits is called divorce.

Invasive green crabs are harming habitats in the pacific northwest. A solution? Researchers say catch 'em and eat 'em. Scott Simon talks with marine scientist Shon Schooler.

The annual winter monarch butterfly migration, which has seen steep declines in recent years, seems to be making a comeback. Biologists are encouraged and confused by the trend.

The Oregon-born gray wolf gained a following this year when it became the first to travel to Southern California in a century. Wildlife officials say it appears to have been struck by a vehicle.

In recent years, monarch butterflies have all but disappeared from their annual Pacific Coast migration. But there are promising signs the population could stage a comeback.

The 7-month-old spotted beauty was rescued from wildlife trafficking and will be living alongside a 6-year-old male named Valerio. There are only 15,000 believed to be living in the wild.

Turkeys Peanut Butter and Jelly will get the chance to see another day. The two lucky birds' names were revealed, with their videos posted, on the White House Twitter page.

Among this year's winners are a trio of gossipy raccoons, a joyful bird reunion and an all-powerful prairie dog.