Perching ("irJs Marked With Yellow or Orange. 



503. Audubon Oriole {Icterus audubonii). L. 9.5. 

 Ads. Head, breast, wings and tail black; belly yellow; 

 back greenish yellow. Yng. Greenish yellow below; 

 olive-green above. Notes. See No. 507. 



Range. — Mexico north to the Lower Rio Grande; casually as far as 

 San Antonio, Texas; resident. 



504. Scott Oriole (Icterus parisorum) . L. 8; B. .95; 



Ad. $. Lesser wing-coverts, base of tail, rump and 

 belly yellow; rest of plumage black. Ad.$. Yellow- 

 ish below, olive-green above, two white wing-bars. 

 Yng. <$. Like female, but throat black. Notes. See 

 No. 507. 



Range. — Mexican tableland, migrating north to western Texas, 

 northern New Mexico, southern Nevada and southeastern California; 

 winters in Mexico. 



505. Hooded Oriole (Icterus cucullatus sennetti). 

 L. 8; B. .75. Ad. tf. Orange; forehead, face, throat, 

 foreback, wings and tail black; lesser wing-coverts and 

 tips to greater ones white. Ad. ? . Yellowish below, 

 brownish olive-green above, two white wing-bars. 

 Yng. <?. Like 9 , but throat black. Notes. See No. 

 507. 



Range.— Mexico; migrating north to the Lower Rio Grande; winters 

 in Mexico. 



505a. Arizona Hooded Oriole (/. c. nelsoni). Sim- 

 ilar to No. 505, but head, rump, etc. yellow instead of 

 orange. 



Range. — Northwestern Mexico and Lower California, migrating 

 north to southwestern New Mexico, Arizona, and southern California, 

 west of Sierra Nevada; winters in Mexico. 



507. Baltimore Oriole (Icterus galbula). L. 7.5. 

 P$d. c?. Throat, whole head, foreback, wings and 

 middle tail-feathers black; breast, belly, rump, lesser 

 wing-coverts and ends of outer tail-feathers orange; 

 wing-coverts and tertials margined with white. Ad. ?. 

 Head and foreback olive-yellow spotted with black; 

 rump and tail brownish yellow; below dull yellow, 

 throat generally blackish. Notes. The notes of all 

 the orange and black Orioles known to me are mellow, 

 musical, querulous whistles generally given in detach- 

 ed fragments, all much alike in character but dis- 

 tinguishable when one becomes familiar with them. 



Range.— Eastern North America west to the Rocky Mountains; 

 breeds from Florida and eastern Texas north to New Brunswick and 

 the Saskatchewan; winters in Central and South America. 



508. Bullock Oriole (Icterus bullocki). L. 7.5. 

 Ad. (J*. Cheeks, most of underparts, forehead and line 

 over eye orange; rump and outer tail-feathers yellower; 

 center of throat, crown, foreback and middle tail-feath- 

 ers black; a large white wing-patch. Ad. ?. Above 

 olive grayish brown; below yellowish, belly 

 whiter; tail olive-yellow; wings blackish, median cov- 

 erts tipped, greater coverts externally margined with 

 white; chin sometimes blackish. Yng. tf. Like ?, 

 but center of throat and lores black. Notes. See No. 

 507. 



Range.— Western North America, from Mexico north to Assiniboia 

 and British Columbia; east to western Texas; west to the Pacific; 

 winters in Mexico. 



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