ANHINGAS ON NEST, IN BREEDING PLUMAGE & NONBREEDING PLUMAGE, WAKODAHATCHEE WETLANDS,DELRAY BEACH,FLORIDA, 2/22/2019

   The Anhinga in the nest in the first photo may be sitting on eggs.  The Anhingas in the second and third photos  have the blue rings around the eyes of breeding plumage.  The Anhinga in the last two photos is in nonbreeding plumage.