dive

Many animals use impressive displays to seduce a mate, but few go as far as the male Anna's hummingbird. He performs a death-defying courtship dive, plummeting to the ground at speeds and accelerations that put jet fighters to shame. The tiny 7cm bird reaches a top speed of 60mph and at the fastest point of the dive, it covers 385 times its own body length every second. For its size, it's the fastest aerial manoeuvre performed by any bird. In contrast, the famous attack dive of the peregrine falcon, while much faster in absolute terms, only covers 200 body lengths per second. The…

Spent the day at the Brookfield Zoo and was lucky enough to catch a resident polar bear inventing games for himself and doubly lucky my fiancee brought a video cam. Polar Bear Takes a Dive Polar Bear Tossing Around His Toy More below the fold Polar Bear Balances Toy on Nose and Paw