KEY TO TIIK WATER DIRDS OF FLORIDA. 



i8s 



ORDER PYGOPODES. 



DniNG Birds. 



Family PODICIPID.E. Grebes. 

 Genus COLYMBUS Linn. 



COLYMBUS AURITUS Linn. 

 Horned Grebe. 



Adult in sunnncr : Upper parts, including back, wings, 

 top of the head and back of the neck, glossy black ; throat 

 black : front of the neck, breast, and sides of the body rufous 

 chestnut ; rest of under parts white ; wings dusky l)lack ; 

 secondaries white : lores dull chestnut ; the two small tufts 

 of feathers at the sides of the occiput brownish buff. 



Adult in winter and immature : Head and back gray- 

 ish, under parts white, usually tinged with gray on the breast 

 and lower throat : no tufts on sides of the head in winter 

 plumage. 

 "- Length, 13.40: Wing, 5.40 : Tarsus, 1.70 : Bill. .85 to .95. 



Tlie Horned Grebe is not uncommon on the 

 Atlantic coast during the migrations, breeding 

 from the Northern United States northward and migradng in winter south to 

 Florida and the Gulf States. 



The nest is constructed on floadng debris : eggs, four to seven, dull 

 white or yellowish white. 



Range : *• Northern Hemisphere : breeds from United States northward." 



(A.O.U.) 



