72 



a flock of about a dozen twelve miles west, at Glen. Breeds from 

 early April to late in June. 



491. Nucifraga columbiana (Wilson) — Clarke Nutcracker. 



Northwestern Nebraska; occasionally seen in summer on Pine 

 ridge where it may breed. In fall and winter spreading south and 

 east to Sidney, Kearney, North Platte, and even to Omaha. 



492. *Cyanocephalus cyanocephalus (Wied) — Pinion Jay. 



Common resident, spending the summer and occasionally breeding 

 along Pine Ridge in Sioux, Dawes, and Sheridan counties; in winter 

 wandering in flocks eastward to Cherry county, Long Pine, North 

 Platte, Fullerton, etc. 



Family ICTERIDiE — Blackbirds, Orioles, and Meadowlarks 

 1. Body deep black with conspicuously contrasting, sharply defined, un- 

 broken patches of bright yellow, scarlet, white, or chestnut some- 

 where, and without streaks (2) 



1. Body entirely deep black, brownish, or slaty grayish, unstreaked 

 and without an unbroken patch of bright color anywhere, though 

 sometimes varied with broken rusty or yellowish which is never 



sharply denned (7) 



1. Body above brownish or dusky streaked, below lighter with conspicu- 

 ous streaks on the sides (11) 



1. Body olivaceous above and du 1 yellow or orange below, unstreaked . . (15) 

 2. Belly deep black; marsh birds (3) — uniform chestnut or 



orange; arboreal birds (5) 



3. Black; rump, and shoulders white, back neck buffy white; tail feath- 

 ers acute at tip Bobolink, male. 



3. Black; head, and breast yellow except some black around bill; a white 



wing-patch Yellow-headed Blackbird, male. 



3. Black; shoulders scarlet bordered by buffy (4) 



4. Smaller, with a' longer, slenderer bill; wing about 4|, depth 

 of bill at base about \ inch; middle wing-coverts paler buff 



in winter Red-winged Blackbird, male. 



4. Larger, with a shorter, thicker bill ; wing about 5 inches, depth 

 of bill at base decidedly over £ inch; middle wing-coverts 



deeper buff in winter Northern Redwing, male. 



5. Black; with breast, belly, lowerback, and rump chestnut 



Orchard Oriole, male. 



5. Black; with breast, belly, lower back, and rump with most of tail 



orange (6) 



6. Head entirely black, outer tail feathers orange with some 

 black at base and greater wing-coverts black broadly edged 



with white Baltimore Oriole, male. 



6. Head black with cheeks and line over eyes yellow, outer tail 

 feathers with the black near the tip, and a large wholly white 



patch on greater wing-coverts Bullock Oriole, male. 



7. Tail rounded, the outer feathers about an inch shorter than inner 



