I was struck by two poignant news stories involving animals. One happened on Canada’s West Coast, the other on the East. Juxtaposed, they are starkly different. One says something about the complexity ...

OF the over 40 dolphin species, killer whales (orcas) are the largest, while bottlenose dolphins are the most common.

Cetaceans—marine mammals that include dolphins, porpoises, and whales—are crucial to coastal ecology. Their presence fosters ...

Apex predators attract a special kind of fascination; also called "super predators," they sit at the top of the food chain, ...

A terrifying moment for a female diver off the coast of Cebu, Philippines. A young whale shark rammed her from behind. The sea giant is harmless to humans, but it still caused quite a fright.

A Federal Court judge has thrown out a legal challenge by environmental groups that claimed allowing the expansion of a ...

Predators at the top of a marine food chain 130 million years ago ruled with more power than any modern species, McGill ...

Tahlequah, the grieving mother orca, once again carries the weight of loss, embodying the emotional depth and resilience of her species.

Killer whales typically reproduce every five years ... inbreeding and a lack of Chinook salmon, which is their primary food source, Weiss said. The loss of a female calf like J61 is particularly ...

The two orcas -- also known as killer whales -- themselves face an uncertain future. Animal activists had been angered by Marineland's plans to transfer its two killer whales to Japan, a move ...