The pod of killer whales that showed up Thursday, Jan. 30, have only been documented less than 10 times since 1993.

Their black and white markings ... look like male orca – these have huge and unmistakable dorsal fins. "There is nothing to get a sense of scale – orca are much larger than common dolphins ...

Above: Video of orca pod sighting in San Diego ... from warming oceans and success hunting dolphins in the area. “When you’re talking about animals like killer whales that can cover 100 ...

The large ears act like natural air conditioners ... The gestation period of an orca is about 17 months which is the longest of all cetaceans. Females may give birth every 3-5 years, although ...

These dolphin species occur in several color variations in the sea and rivers like the Amazon ... the Orca or killer whale, which can reach up to 9.8 meters and 9 tons. Its black and white markings ...

Heartbreaking video shows dolphins stuck in a miniscule tank in ... while simultaneously being treated like jailed criminal.

Marine biologist Bastien Mérigot from the University of Montpellier wants to call out to dolphins in their own language — to save them from becoming entangled in invisible fishing nets on the ...