Animal Behavior

Any ideas on what is going on here?

Or here?


I suspect we don't know nearly as much about large mammal behavior as we think we know.

First photo:

HUMPBACK WHALE AND DOLPHIN
Kauai, Hawaii, USA
Lori Mazzuca
Kailua Kona, Hawaii, USA

Second photo: Daily Mail: Striking aerial image of an unusually large herd moving through Chad toward the Tinga.