A few nice free animals images I found:
Black-crowned Night-herons
Image by marymactavish
Lake Merritt, Oakland, California 2001
Black-crowned Night-heron
Image by marymactavish
Lake Merritt, Oakland, California 2001
If I were a fish or frog, I'd jump down its throat to end the suspense.
It has very fancy head feathers that trail down its back.
I adore Black-crowned Night-herons. :)
Here are more
Here's good info about them from the USGS, my favorite quick-and-easy birding resource.