A few nice animal behavior images I found:
alligator pair
Image by USFWS Headquarters
Noxubee National Wildlife Refuge, MS
May 18, 2008
Photo: Roger Smith/Creative Commons
Out-the-window-as-I'm-writing
Image by bgblogging
As I was writing about the spring and its set of special moods, this tom and his harem appeared on the lawn just beyond the window. Very full of himself...