DIVING BIRDS 



](). Pacific Loon. Gavia pacifica. 



Range. — Western North America along the 

 coast chiefly, breeding from Alaslia south tu 

 British Columbia. In winter, south along the 

 coast to Mexico. 



Tliis species differs from tlie Blacli-throated 

 only in the tint of the head reflections. The 

 habits are the same as those of the other members 

 of the family. Tliey lay two eggs of a greenish 

 brown or greenish gray hue with black spots. 

 Size 3.10 X 1.90. Data.— Yukon River, Alaska, 

 June 28, 1902. Nest of rubbish on an island; 

 found by a miner. 



11. Red-thhoated Loon. Gavia sfellata. 



Range. — Northern parts of North America, 

 breeding from southern Canada northward in the 

 interior on both coasts. South to the middle por- 

 tions of the United States in winter. 



This is the smallest of the Loon family, being 

 twenty-five inches in length. In plumage it is 

 wholly unlike any of the other members at all 

 seasons of the year. In summer the back, head 

 and neck are gray, the latter being striped witli 

 white. A large chestnut patch adorns ihe front 

 of the lower part of the neck. In winter the 

 back is spotted with white, whereas all the others 

 are-unspotted at this period. Tlie nesting habits are 

 identical with the other species; the ground color 

 of the two eggs is also the same. Size, 2.00 x 1.7.5. 



Pueiflc L. 



lied- thiTia fed Tjoon 



PACIFIC LOON 

 Cilfi'iiish liro"\vri or ,t^"[ay 



19 



