The zoo says the sea lions reached an age where they potentially would be suffering.

DENVER — A beloved sea lion known for picking Broncos games for 9NEWS has passed away. Denver Zoo Conservation Alliance announced on Facebook Friday that Nick, an 18-year-old California sea lion, died ...

A Tacoma-area zoo had to close its doors to visitors due to winter weather on Friday, March 13, and its resident animals made the most of their day off.Footage shows the zoo’s muskoxen, sea lions, ...

Bailey, who was 18, was a firm favourite with staff and visitors, the zoo says.

HOUSTON (KTRK) -- It's a girl! The Houston Zoo is celebrating their healthy new female seal lion pup, who is bonding with her mother. Zookeepers confirmed parents Kamia and Jonah are the parents of ...

Colchester Zoo staff have paid tribute after two much-loved sea lions were put to sleep. Colchester Zoo said sea lions Sydney ...

Animal keepers have paid tribute to a sea lion who has died more than two decades after she settled into her home at a zoo. Colchester Zoo said Winnipeg, a Patagonian sea lion who was about 25 years ...

A sea lion from the Denver Zoo died in Washington, D.C. this week while waiting for a new habitat. Nick has been staying at the Smithsonian's National Zoo and Conservation Biology Institute in ...

SALT LAKE CITY — Utah's Hogle Zoo announced on Friday the death of Diego, a California sea lion who made history as the biggest animal to get a CT scan at the University of Utah Hospital. Diego had ...

CLEVELAND (WJW) — After more than four decades, the Cleveland Metroparks Zoo is preparing to say goodbye to its seal and sea lions. “This is a decision we made because we felt it was in the best ...

Getting your Trinity Audio player ready... Nick, the sea lion, weighed 700 pounds during his prime, and his bark was just as huge. When Nick let it rip, his bark could be heard in City Park and the ...

BROOKFIELD, Ill. -- Two California sea lion pups were born at the Brookfield Zoo in June. Their births were the first for this species at Brookfield in nearly 30 years, Chicago Zoological Society ...