Restart Bird Identification Expert

What was the SIZE of the Black Gull-like bird you saw in Delaware?



Sooty Tern: This medium-sized tern has long wings, a deeply forked tail, black crown, nape, and upperparts and a broad triangular white forehead patch. The underparts are white; upper tail is black with white outer edges. It has a direct flight with strong, shallow wing beats. It hovers before dipping for prey. It feeds on squid and fish. Sexes are similar.
Band-rumped Storm-Petrel: This is a black-brown storm-petrel with gray-brown wing bars and a conspicuous white band across the rump and large, slightly notched tail. It has a black bill, legs and feet. It has a buoyant, zigzag flight, alternating several rapid wing beats. It feeds on invertebrates, small vertebrates and sometimes carrion from the water's surface. The sexes are similar.
Magnificent Frigatebird: Large black seabird, orange throat patch inflates into a huge bright red-orange balloon when in courtship display. Long bill is gray, hooked. Wings are long and narrow. Tail is forked; legs and feet are dark gray. Eats fish, crustaceans, jellyfish. High soaring flight.
 
Restart Bird Identification Expert