310 



KEY AND DESCRIPTION 



Length, 36; wing, 13| (12i-14) ; tail, 'I; tarsus, 2; culmen, 2i-3. 

 Coasts of the North Atlantio'of botli Old and New Worlds ; hreeding 

 from the Bay of Fundy northward, and wintering cas- 

 ually south to the Carolinas. 



2. Double- crested Cormorant (120. Phalacrd- 

 corax dilbpliun). — A common, double-crested, 

 black cormorant, with a greenish irides- 

 cence to the feathers of the head, 

 neck, and body, and coppery-gray 

 to those of the back and wings. 

 15are skin on sides of the head, 

 around the eyes orange (in life). 

 There is a tuft of curling feath- 

 3rs on each side of the head, 

 above the eyes, form- 

 ing the "double crest." 

 This is the " cormo- 

 rant" of the Middle 

 States. The young 

 has a white breast 

 changing to gray on 

 the throat, and black on the lower belly. It is like the last 

 species in being much browner on the head, back neck, and 

 upper back than is the adult. 



Length, 32 ; wing, 12|- (12-13) ; tail, 61 : 

 Eastern North America ; breeding 

 from the Bay of Fundy and Dakota 

 northward, and wintering from Mary- 

 land and southern Illinois southward. 

 The Florida Cormorant (120". P. d. 

 floridamis) is much like the last in 

 color, but smaller. Wing, llf (11:}- 

 12|). Common on the Gulf coast. 

 South Atlantic and Gulf States, north 

 to southern Illinois. 



Cormorant 



tarsus, 2; culmen, 2-2 J. 



Donble-orested Cormorant 



3. Mexican Cormorant (121. Phalacrdcorax 7nexicdnus). A 



small, southwestern cormorant with intense violet-purplish 

 luster on the black of the body. The pouch on the neck is 



