KEY TO THE WATER BIRDS OF FLORIDA. 185 
ORDER PYGOPODES. 
Divine BIrRps. 
Famity PODICIPID.E. GREBEs. 
Genus COLYMBUS Linn. 
COLYMBUS AURITUS Zinn. 
Horned Grebe. 
Adult in summer: 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 black; 
secondaries white: lores dull chestnut; the two small tufts 
of feathers at the sides of the occiput brownish buff. 
Adult in winter and immature: NWead and back gray- 
ish, under parts white, usually “ged 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-. 
The Horned Grebe is not uncommon on the 
Atlantic coast during the migrations, breeding 
from the Northern United States northward and migrating in winter south to 
Florida and the Gulf States. 
The nest is constructed on floating debris; eggs, four to seven, dull 
white or yellowish white. 
Range: ‘+ Northern Hemisphere; breeds from United States northward.” 
(A.0.U.) 
a 
