Dolphins and porpoises are actually whales. But whales are whales too. And so are narwhals. Sorry for springing that on you ...

Orcas are the largest members of the dolphin family. Males are bigger than females, but they both vary in size and weight. The largest orca ever recorded was a staggering 32 feet (9.8 meters ...

Dolphins Sense Military Sonar at Much Lower ... preferences of two resident killer whale populations, also known as orcas: the Alaska residents and the southern residents, which reside primarily ...

Some whale species evade killer whales by singing at deep frequencies that are “completely undetectable” to the predators, according to a new study. Photo from John Towner, UnSplash Some baleen whale ...

OF the over 40 dolphin species, killer whales (orcas) are the largest, while bottlenose dolphins are the most common. When you see pods of these majestic marine mammals swimming in the open ocean ...

Meanwhile, following a strategy similar to that of the Twofold’s killer whales, some of the dolphins approach the beach to attract the attention of humans with splashes and specific sounds that ...

A newborn killer whale calf spotted off the southern coast of WA could be one of the youngest ever seen in Australian waters.