Whatbird.com

What kind of bird is this:  http://www.youtube.com/watch?v=E0dZH-iKz48 ?  I found it on the beach in Pensacola Beach, Fl, and have seen them a few times.  They kind of flop up on the shore and just lay there like they are injured, but they aren't actually sick or injured at all.  Their legs are really far back too.

Forgive the long post but I wanted to be as detailed as possible.   Since colours are subjective it was about 3pm in the spring, fairly bright day but was behind an apartment building so seemed more overcast. the bird was seen on a grey concrete porch with black wrought iron balustrade. There were two of them but they seemed identical so ...

Hello everyone.  Can anyone identify this bird for me?  This picture was taken this morning (05/30/09) in Santa Cruz, CA.  We found the baby yesterday and, with instruction from local wildlife rescue, made a new ''nest'' as the baby can not fly and we don't know where the original nest is.  Bringing it in at night for ...

yellow legs, gray backside, brown back/wings, white chest, black stripe down center of neck. I only show up when yard is flooded. We travel in groups of 3-5. French Settlement, Livingston Parish La. 

I'm not sure if this is a red-tailed or red-shouldered hawk.  Can anyone help me?