Table 2.

Number of individual birds recorded In 6 census days (July 12-17, 1982) on the ROW and in the adjoining forest. Species names are from Person (1980) and the most common species are marked with an asterisk.

SpeciesNo. birds per hectare
ROW-herbicideROW-handcutAdjoining forest
Most common on ROW   
Common yellowthroat, Geothlypis trichas10.4*  9.3*  1.6*
Rufous-sides towhee, Pipilo erythrophthalmus  6.1*  1.9*  2.8*
Field sparrow, Spizella pusilia  4.2*0.70.1
Indigo bunting, Passerina cyanea  3.5*  3.0*0.1
Gray catbird, Dumetella carolinensis  3.1*  5.9*0.1
Common on ROW   
Black-capped chickadee, Parus atricapillus1.81.51.0
Chestnut-sided warbler, Dendroica pensylvanica1.5  2.2*0.2
American goldfinch, Carduelis tristis1.20.4
Downy woodpecker, Picoides pubescens0.90.40.8
American robin, Turdus migratorius0.50.70.2
White-breasted nuthatch, Sitta carolinensis0.50.7
Occasional on ROW   
American redstart, Setophaga ruticilia0.4  1.9*0.6
Brown-headed cowbird, Molothrus ater0.40.7
Red-eyed vireo, Vireo olivaceus0.40.7  2.6*
Scarlet tanager, Piranga olivacea0.40.40.9
Song sparrow, Melospiza melodia0.4
Rose-breasted grosbeak, Pheucticus ludovicianus0.30.1
Black-and-white warbler, Mniotilta varia0.31.1
Blue-gray gnatcatcher, Polioptila caerulea0.30.4
Cedar waxwing, Bombycilla cedrorum0.3
Great crested flycatcher, Myiarchus crinitus0.30.2
Wood thrush, Hylocichla musteline0.3  1.3*
Black-billed cuckoo, Coccyzus   
Least flycatcher, Empidonax minimus0.20.1
Yellow-rumped warbler, Dendroica coronata0.20.1
Brown creeper, Certhia familiaris0.1
Canada warbler, Wilsonia canadensis0.1
American crow, Corvus brachyrhynchos0.1
Golden-winged warbler, Vermivora chrysoptera0.10.1
Ruffed grouse, Bonasa umbellus0.10.1
Ovenbird, Seiurus aurocapillus0.4  1.2*
Eastern pewee, Contopus virens0.7
Worm-eating warbler, Helmitheros vermivorus0.4
Broad-winged hawk, Buteo platypterus0.2
Common (yellow-shafted) flicker, Colaptes auratus0.1
Northern cardinal, Cardinalis cardinalis0.1
Great horned owl, Bubo virginianus0.1