killer whales

Kasatka was born in the wild, and had numerous descendants at SeaWorld.
Experts fear other members of the orca’s pod may have so much toxic PCBs in their bodies that they can’t reproduce.
I recently got back from my 7th continent trip - a basecamp activity cruise to Antarctica. As one would anticipate, it truly was a trip of a lifetime and filled with unexpected adventures at every turn.
Like toolmaking, teaching was once thought to be an exclusive capacity of the human mind. It's not, but teaching is rare, and teachers are an elite group.