Allen’s naturalist’s library. 
i8o 
sides of the body brown, the feathers maratined with ashv-irrev 
like the back. ^ 
Young. — Similar to the winter plumage of the adult, but 
freckled with brown fringes to the feathers of the sides of the 
face, throat, and fore-neck. Immature birds can be easily 
distinguished by the more rounded shape to the feathers of 
the back. 
NestUng.— Entire upper surface sooty-brown, a little lighter 
on the throat and chest ; the under surface of the body white, 
with the sides broivn like the back. 
Range in Great Britain. — The Great Northern Diver is prin- 
cipally known as a winter visitor to the British Islands, when it 
occurs on most of the coasts, and occasionally on inland 
waters. It apparently breeds in the Shetlands, as the late Dr. 
Saxby noticed the species on a loch in Yell in June, and 
obtained eggs from there, which could only have been those 
of C. glacialis. Mr. Howard Saunders saw an adult bird on 
the 19th of July, 1879, flying past his boat in Sulemvoe, and 
he adds “ A few hours before leaving Lerwick I was assured 
on good authority that a very young specimen had just been 
brought in alive by the Earl of Zetland, a small steamer which 
then served the northern islands.” 
Range outside the British Islands. — The present species breeds 
in Iceland and in Southern Greenland, and across the whole 
of North America in the fur countries, as far south as the State 
of Maine. In Northern Russia and Siberia its place is taken 
apparently by C. adamsi. Like other Divers it comes south 
in winter, and at that time of year it is sometimes found on 
inland waters. 
Habits.— The late Dr. Saxby, in his “Birds of Shetland,” 
gives the following account of the species : — “ Owing to the 
extreme watchfulness of this bird, and to its wonderful powers 
of diving, specimens are by no means easily obtained by a 
person who has not had considerable experience of its habits. 
The most favourable chance is when it is feeding under rocks 
which are sufliciently irregular to afford concealment to the 
shooter, who, it may be remarked, should in calm weather 
proceed very cautiously, or the bird will perceive him from an 
