960 



black, sides srayish. 



Uiulcrparts white. 

 Criivvii and nape du^ 

 Whole head white. 



a. Back with white feathers. 



b. Back without \\diite feathers. 



(i). Primaries black, white on inner web. 

 (2). Primaries slate-gray, without while. 



'\'(.;()1'( )1)ES. ('xrebes. 



Ordijr I T. 



350. Black-vented Shearwater. 



H. 46. Rodgers's Fulmar. 



H. 47. Slender=billed lulmar. 

 349. Pacific Fulmar. 



Loons, .\ttks, Alurres, etc. 



Faiiiilv 1. I'doicii'in.xi;. Grebes. 



These are diving birds par excellence. They have no tail 

 straight, slender and sharp. They pursue fish under water, 

 submerged with only the hill iirotrnding above the surface i 



I. Length about 26 inches. 



II. I 

 HI 



A. 



B. 



,cngth about 19 inches. 

 Length alxiut 13 inches. 



Bill light, with a black band near the middle. 

 Bill entirely dark. 

 Whole neck Idack. 

 Fore-neck bright rufous. 

 (.Trayish-lilack above. 

 (^ira\"isb-brown above. 



, their wings are short, and their bills are 

 When dan.ger threatens they can remain 

 r indefinite periods. 



355- Western Grebe. 



356. Holboell's (irebe. 



359. Pied-billed Urebe. 



358. .American Eared (jrebe. 



357. Horned (irebe. 



357. Horned (irebe (winter). 



358. American Eared (irebe ( winter). 



luiiiiilv 2. G.w iin.\i;. Loons. 



363. Red. throated Loon. 



361. Black=throated Loon. 



362. Pacific Loon. 



Like the Grebes, the Loons are diving birds, but luilike the Cirelics the Loons possess a short tail. 

 They are large, strong birds, and fly well when once well started a-wing. They dive extremely well, 

 and swim long distances under water. Their swiftness of movement under water is such that no fish 

 might hope to escape them. 



L Length about .32 inches. 360. Loon. 



IT- Length less than 2S inches. 



A. Foreneck chestnut. 



B. Foreneck black. 



1. Larger; crown and nape darker gray. 



2. Smaller; crown and nape light gray. 



Family 3. ALCin.MC. 



Members of this family have thick necks, short bodies, and present in general a compact appearance. 

 They have evident tails and short wings, but ffy readily. Many nest on high rocky cliffs or ledges, 

 some burrow into banks or among loose rocks, or occupy, sma 

 them lay but a single egg a season. 



I. Length about 17 inches. 



II. Length less than 16 inches. 

 .■\. Body and wings and tail uniform sooty black. 



B. Entire plumage with wavy bars of two shades of gray. 



C. Bellv white. 



Auks, Murres, Puffins, etc. 



.•lefts or .grottoes in rocks. Most of 

 372. California Murre. 



364. Tufted Puffin. 

 370. Marbled Murrelet. 



1. Whole breast and belly white. 



a. Top of head and neck black. 



(aO. Throat white, 

 (bi). Throat gray. 



b. Top of head gray. 



(I). Whole side of head white. 



(2). Side of head gray like the crown. 



c. Upperparts varied, black and wdiite. 



2. Throat and breast gra>. 



a. Length about 15 inches. 



b. Length about 9 inches. 



c. Length about 7 inches. 



D. Black; a large white wing patch. 



370. Marbled Murrelet (winter). 

 369. Ancient Murrelet. 



B.C. 14. Horned Puffin. 



367. Paroquet Auklet. 



371. Pigeon Guillemot (winter). 



365. Rhinoceros Auklet. 



366. Cassin's Auklet. 



368. Least Auklet. 

 371. Pigeon Guillemot. 



