894 'I'll'^^ ■-* '*'^- 



onlv iK'forc the ice line: and it may be that tlie winter birds of Pugel 

 Sound are East-side visitors, who do not care to go further south, nor yet 

 to inx-ade tlie ])recincts of tlieir estabhslied brethren. 



No. 360. 



LOON. 



A. O. U. No. 7. Qavia immer ( I'.ruiiiiich). 



S>'non>m. — C.ri:.\t Xortiii:u\ I)i\i:r. 



Description. — Adult in siiiinncr: I lead and neck black with metallic reflec- 

 tions, most intense on lower neck; middle of the throat crossed by a narrow bar 

 of white streaks: a similar hut wider bar on each side of neck lower down: 

 underjjarts pure white: npperparts s^reenish black, sharply spotted with wdiite in 

 regular transverse rows, — the s])ots mostly s(.|uarish, smallest on the upper back 

 and rnni]). largest on lower scapulars: the sides similarly ornamented with 

 ronndeil spots: sides of cervi.x black-and-wdiite, streaked or striped: wing-(|uills 

 blackish, with warm pin-]ilish reflections: bill black: feet and legs black externally, 

 yellow internally: iris carmine, .hliilt in icintcr and ininiaturc: .\bove dark 

 brown, clear and greenish glossed on crown and back of neck, feathers of the 

 back, etc., more or less heavily tijiped with ashy gray or dull huffy; entire under- 

 ]Kirts. including sides, white, shading on sides of head, or alternating with brown 

 (d" u])perparts in large dentations: liill light blue with dusky ridge: feet brownish 

 duskv externally, yellowish internally. Length 28.00-36.00 (711.2-914.4): wing 

 14.00 (3S3-<>l : tail 2.(10 I'lfii : bill 3.00 [■j(^.z) : along gape 4.00 1 101. to : tarsus 

 3.40 (864). ^ . 



Recosnition Marjvs. — I'.rant to Eagle size: hack black speckleil with white: 

 head and neck black interru])ted l.>y white-streaked spaces: below white: large, 

 pointed bill. Large size distinctive as compared with other divers. 



Nesting. — Xcst: a mere de])ression in sand or gravel, etc.. near the edge of 

 lake or pond. lifn/s: 2, dark brown or olive-brown, faintly and sparingly spotted 

 with darker or blackish. Av. size, 3.50 x 2.25 (88.9x57.2). Season: May 15- 

 luue 1 ; one brood. 



General Range. — Northern part of northern hemisphere. In .Xorth .\merica 

 breeds from the northern tier of states northward: ranges in winter s()Uth to the 

 Gulf of Mexico and Lower California. 



Range in Washington. — Common winter resident and migrant on Puget 

 Sound and along Pacific Coast; less common in interior waters: sparingly resident 

 in summer on secluded lakes in the mouiUains and foothill.s — much less common 

 than formerly. 



Migrations. — \>ry desultory — fall migrations dependent upon stress of 

 w-eatber. and s])riug movement upon latitude 1 or altitude) of destination: cross 

 migration, to and from sea, in September (or .Nugust) and .\pril. 



