DIVERS AND GREBES 301 



THE RED-NECKED GREBE. 

 (Podicipes griseigena.) 



MALE. The bill is black, paler at the end, light 

 yellow at the base. The iris is carmine ; the upper 

 part of head greyish-black ; cheeks and throat ash 

 grey. The ruff is edged above with white ; the 

 fore-part and sides of neck being a rich brownish- 

 red. The upper parts are greyish-black, with the 

 edges of the feathers lighter ; the front edge of the 

 wings is narrowly marked with white ; the outer 

 secondaries are white ; the lower parts silvery white, 

 with dusky streaks on the sides. The feet are 

 greenish-black externally, with the lobe margins 

 dusky. Length, from bill to tail, eighteen inches. 



FEMALE. Similar to male, but smaller. 



In any state of plumage, young or intermediate, 

 this species may be distinguished from the Crested 

 Grebe by the bill being thicker, and the base yellow 

 instead of carmine. 



THE HORNED GREBE. 



(Podicipes auritus) 



MALE. The bill is bluish-black, with the tips 

 yellow. The iris is carmine, with an inner ring of 

 white. The upper part of head, ruff, cheeks, and 

 throat are glossy black. A band from the bill, over 

 the eye, including the occipital tuft, is yellowish-red. 

 The fore-part of neck and sides of body are brownish- 

 red, and the upper parts greyish-black ; the feathers 

 edged with dull grey ; secondary quills white, and 



