Tsuchi, mother to one living daughter, has lost at least eight calves, researchers believe ...

FRIDAY HARBOR, WASHINGTON, UNITED STATES — Researchers in Washington state say a Southern Resident killer whale that suffered multiple reproductive losses in the past has been seen again with a dead ...

Scientists believe a killer whale found dead in the Western Isles is one of the oldest male orcas ever recorded following ...

A new open-access catalog of whale calls will help researchers and orca enthusiasts identify distinct killer whale ...

Tsuchi’s pod, too, is familiar with this cycle of grief, as her pod member, J36, also known as Alki, was spotted pushing her own dead calf through the water using her head, just over a year ago on ...

An orca whale was seen carrying the body of a dead newborn calf in the Strait of Juan de Fuca Saturday. Failed pregnancies are trending, experts say.

Normally native to the warmer waters off Mexico and Central America, these orcas moved north toward Southern California due ...

Another Southern Resident mother has been spotted carrying her deceased orca calf. Mark Malleson of The Center for Whale ...

A southern resident orca was seen carrying her dead newborn calf on her snout near the Strait of Juan de Fuca on Oct. 3, according to the Center for Whale Research.

The Center of Whale Research said this is not the first time J31 has been observed carrying a deceased calf.

Recently compiled data from the Whale Museum in Friday Harbor shows a shift in the presence of two ecotypes of killer whales ...