One-footed hawk, or just a hawk on a rail?

I was extremely surprised this morning to see this hawk sitting on the rail.  I wondered if it was hurt.  Then it flew off into a high tree.  But upon looking at the image I only see one foot.  Is it likely just holding the other one up, or do you think it has only one foot?  I don't think it's usual at all for hawks to sit down low on rails like this, is it?

(No processing at all done to the image.)

It's not unusual for a hawk to stand on one leg.  I think that what's going on here.  

I agree, standing on 1 leg.  Nice photo!

It's certainly not uncommon for most species to see them standing in one leg, Barbara.  As for being on a rail, it's probably somewhat related to species, but most of the ones that I'm familiar with will perch low down.
 

Agree with the above.  In fact, I have lots of one-legged bird photos :)  One of my favorites (content only - not the picture per se) is two wood ducks (male/female) in a tree.  Looks like the male is surprised...

And just to show she is 'faking', here's another:

Larry, those are great photos.