40 



U.S. NATIONAL MUSEUM BULLETIN 233 



veery: frequently 



blue-gray gnatcatcher: frequently 



black-tailed gnatcatcher: twice (out 



of 10 records of parasitism) 

 ruby-crowned kinglet: once (out of 



6 records of parasitism) 

 cedar waxwing: several times 

 phainopepla: once (out of 2 records of 



parasitism) 

 black-capped vireo: once (out of 11 



records of parasitism) 

 white-eyed vireo: frequently 

 Button's vireo: twice (out of 5 rec- 

 ords of parasitism) 

 Bell's vireo: infrequently 

 yellow-throated vireo: frequently 

 solitary vireo: frequently 

 red-eyed vireo: frequently 

 Philadelphia vireo: once (out of 2 



records of parasitism) 

 warbhng vireo: frequently 

 black-and-white warbler: several 



times 

 worm-eating warbler: twice (out of 



37 records of parasitism) 

 golden-winged warbler: several times 

 blue-winged warbler: several times 

 Tennessee warbler: once (out of 6 



records of parasitism) 

 Nashville warbler: once (out of 16 



records of parasitism) 

 Virginia's warbler: once (only record 



of parasitism) 

 Lucy's warbler: twice (out of 5 records 



of parasitism) 

 yellow warbler: frequently 

 magnolia warbler: once (out of 17 



records of parasitism) 

 black-throated blue warbler: twice 



(out of 9 records of parasitism) 

 myrtle warbler: frequently 

 black-throated gray warbler: once 



(out of 2 records of parasitism) 

 black-throated green warbler: several 



times 

 golden-cheeked warbler: twice (out of 

 - _ 8 records of parasitism) 

 hermit warbler: once (only record of 



parasitism) 

 cerulean warbler: once (out of 12 



records of parasitism) 

 Blackburnian warbler: twice (out of a 



few records of parasitism) 



Grace's warbler: once (out of 2 records 



of parasitism) 

 chestnut-sided warbler: frequently 

 pine warbler: several times 

 Kirtland's warbler: frequently 

 prairie warbler: several times 

 ovenbird: frequently 

 Louisiana waterthrush: frequently 

 Kentucky warbler: several times 

 mourning warbler: several times 

 MacGillivray's warbler: twice (out of 



8 records of parasitism) 

 yellowthroat : frequently 

 yellow-breasted chat: frequently in 



some areas; not at all in others 

 hooded warbler: twice 

 Canada warbler: twice (out of less 



than a dozen records of parasitism) 

 American redstart: frequently 

 house sparrow: twice (out of 7 records 



of parasitism) 

 bobohnk: twice (out of 22 records of 



parasitism) 

 redwinged blackbird: once (out of 180 



records of parasitism) 

 orchard oriole: several times 

 Baltimore oriole: twice (out of 14 



records of parasitism) 

 hooded oriole : twice (out of a few rec- 

 ords of parasitism) 

 Bullock's oriole: once (out of 4 records 



of parasitism) 

 western tanager: once (out of 3 



records of parasitism) 

 scarlet tanager: several times 

 summer tanager: several times 

 cardinal: several times 

 rose-breasted grosbeak: several times 

 blue grosbeak: once (out of about 30 



records of parasitism) 

 indigo bunting: frequently 

 painted bunting: several times 

 evening grosbeak: once (only instance 



of parasitism) 

 pine siskin: twice (out of 10 records 



of parasitism) 

 American goldfinch: several times 

 rufous-sided towhee: frequently 

 Savannah sparrow: twice (out of 27 



records of parasitism) 

 LeConte's sparrow: once (out of 6 



records of parasitism) 



