The birds are "displaying" right now...That's where they strut around and show off all their beautiful plumage and hope to attract a mate. Their feathers are almost always splayed out to show off to their best advantage. This is a snowy egret.
There were some unusual ducks there, too. These were called ruddy ducks. Guess they are kind of common along the east coast, but we didn't know that! Love the blue bill!