The [red-tailed] hawk is hunting, floating on the wind searching for small prey, its head perfectly still while its body stabilizes around it. I could watch this clip on repeat for the rest of the day…so cool!
This is not just a thing that hawks do — see also This Owl Will Not Move His Head and The Eerie Stillness of Chicken Heads. Birds: nature’s steadycams.
Source: Jason Kottke on kottke.org.