A limited number of perches puts them at a premium.  More aggressive birds will displace less aggressive ones and take possession of the perch.  These egrets are capable of locating fish from the perch and then flying out to pluck them from the water.
The egret on the left has moved aggressively toward the one on the right which is vigorously yielding.
Willets (Catoptrophorus semipalmatus) in a territorial dispute.  Horseshoe crabs had deposited eggs on this section of beach and the willets seemed to be defending feeding rather than nesting territories.
A limited number of perches puts them at a premium. More aggressive birds will displace less aggressive ones and take possession of the perch. These egrets are capable of locating fish from the perch and then flying out to pluck them from the water.
A limited number of perches puts them at a premium.  More aggressive birds will displace less aggressive ones and take possession of the perch.  These egrets are capable of locating fish from the perch and then flying out to pluck them from the water.
A limited number of perches puts them at a premium. More aggressive birds will displace less aggressive ones and take possession of the perch. These egrets are capable of locating fish from the perch and then flying out to pluck them from the water.
See photo in original gallery.