138 RED-THROATED DIVER CRESTED GREBE. 



In winter, plumage above chiefly ash-brown ; throat and under 

 parts white. Young : much like the immature Great Northern 

 Diver, but smaller ; young in down blackish brown above, 

 and greyish brown below. 



Language. A loud, discordant cry. 



Habits. Generally much like the Great Northern Diver, but 

 is less oceanic, and nests farther from the sea. 



Food. Fish. 



Nest. May. One brood. 



Site. Like the Great Northern Diver. 



Materials. Like the Great Northern Diver. 



Eggs. Two. Like the Great Northern Diver's, but smaller. 



KED-THROATED DIVEE (Colymbus septentrionalis). 



Fairly common round our coasts in winter. It breeds on the 

 northern and western isles of Scotland, on the mainland, and 

 in west of Ireland. 



Plumage. Head, throat, and sides of neck pale grey. Crown 

 and nape slate-grey, streaked with white. Neck striped with 

 black and white ; on front of neck a patch of orange-chestnut. 

 Back dusky brown ; under parts white, with greyish spots on 

 flanks. Bill, legs, and feet blackish. Length 28 in. Female 

 similar, but smaller. In winter, red on throat lost, and 

 plumage above spotted and streaked with white. Young: 

 feathers of back and wing-coverts edged with white ; young in 

 down brownish black above and greyish brown below. 



Language. A harsh ** kark kakera." 



Habits Similar to the Divers already mentioned. 



Food. Similar to the Divers already mentioned. 



Nest. May or June. One brood. 



Site, On the margin of some secluded tarn or loch. 



Materials. If any a few water- weeds, heather, or bents. 



Eggs. Two. Olive-brown, spotted with dark umber-brown. 

 Variable in size. 



Family PODICIPEDIDJE. 

 GREAT CRESTED GREBE (Podicipes cristatus). 



An uncommon and local resident. It breeds on inland waters 

 chiefly in the midland and eastern counties ; also in Scotland, 

 Wales, and Ireland. 



Plumage. Crown, crest, and ruff dark brown and chestnut. 

 Stripe over eye and cheeks white. Upper parts dark brown. 

 Secondaries white, and conspicuous in flight ; under parts 

 silky, silvery white. Bill pinkish. Legs and lobate toes 



