Whales use their hearing more than any other sense to navigate, so when two pygmy killer whales beached on a Florida shore, the Marine hospital that rescued them gave them a free checkup.
Sierra Rayne of the University of Victoria and colleagues conducted earlier research on free-ranging orcas, also known as killer whales, and found evidence that they too retain pollutants.
Long believed to exist only in the brains of humans and other great apes, in 2006 spindle cells were discovered in the same brain areas in humpback whales, fin whales, killer whales, and sperm whales.
When killer whales were socialized with bottlenose dolphins at a water facility, they changed the types of sounds they made to resemble those of their social partners.
Then, when seals became rare, the killer whales turned to sea lions.
Thee fish are not sharks or killer whales, but favourite eating varieties like cod and skate which grow to unnatural sizes, sometimes as much as twelve feet in length.
In the whirlpool, fifteen killer whales were turned into a daze, and their bodies broke into the clouds with the whirlpool.
Roughly speaking, these animals filled the ecological niches now occupied by toothed cetaceans such as dolphins and killer whales.
A SeaWorld whale trainer is now nursing a broken foot after one of the park's killer whales dragged the trainer underwater during a show.
Orcas, or killer whales, are afflicted by bio-accumulation of toxins.
The fish are not sharks or killer whales,
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