Bird populations in July 1982 (pretreatment) and In 1983 (post-treatment). Abundance (A) = no. of birds counted; % = proportion of total population; rank (R) = rank among all species. Bird names are from Peterson, R. T., 1980.
| ROW | Forest | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1982 July | 1983 July | 1982 July | 1983 July | |||||||||
| Species | A | % | R | A | % | R | A | % | R | A | % | R |
| Common yellowthroat, Geothlypls trlchas | 144 | 27 | 1 | 109 | 19 | 2 | 27 | 10 | 3 | 26 | 8 | 4 |
| Rufous-sided towhee, Pipilo erythrophthalmus | 75 | 14 | 2 | 63 | 11 | 3 | 47 | 17 | 1 | 57 | 7 | 2 |
| Gray catbird, Dumatella carolinensis | 51 | 10 | 3 | 53 | 9 | 5 | 1 | •1 | 15 | 3 | 1 | 13 |
| Field sparrow, Spizella pusilla | 50 | 10 | 4 | 124 | 21 | 1 | 1 | •1 | 15 | 2 | 1 | 14 |
| Indigo bunting, Passerina cyanea | 48 | 9 | 5 | 49 | 8 | 6 | 4 | •1 | 15 | 5 | 2 | 12 |
| Black-capped chickadee, Parus atricapillus | 24 | 5 | 6 | 37 | 6 | 7 | 17 | 6 | 6 | 9 | 3 | 10 |
| Chestnut-sided warbler, Dendroica pensylvanica | 23 | 4 | 7 | 54 | 9 | 4 | 4 | 2 | 12 | 5 | 2 | 11 |
| American goldfinch, Carduells tristis | 15 | 3 | 8 | 6 | 1 | 12 | ||||||
| Downy woodpecker, Picoides pubescens | 11 | 2 | 9 | 13 | 2 | 9 | 13 | 5 | 8 | 19 | 6 | 8 |
| American redstart, Setophaga ruticilla | 10 | 2 | 10 | 10 | 1 | 11 | 10 | 4 | 10 | 3 | 1 | 13 |
| American robin, Turdus mlgratorius | 8 | 2 | 11 | 3 | 1 | 14 | 3 | 1 | 13 | 3 | 1 | 13 |
| Brown-headed cowbird, Molothrus ater | 7 | 1 | 12 | 5 | 1 | 13 | ||||||
| Red-eyed vireo, Vireo olivaceus | 6 | 1 | 12 | 18 | 3 | 8 | 44 | 16 | 2 | 66 | 20 | 1 |
| White-breasted nuthatch, Sitta carolinensis | 6 | 1 | 13 | 1 | •1 | 16 | 12 | 5 | 9 | 25 | 8 | 5 |
| Black and white warbler, Mniotilta varia | 6 | 1 | 13 | 2 | 1 | 15 | 1 | •1 | 15 | |||
| Scarlet tanager, Piranga olivacea | 5 | 1 | 14 | 15 | 6 | 7 | 6 | 2 | 10 | |||
| Song sparrow, Melospiza melodla | 4 | 1 | 15 | 9 | 2 | 10 | ||||||
| Blue-gray gnatcatcher, Polioptlla caerulea | 4 | 1 | 15 | 6 | 1 | 12 | ||||||
| Rose-breasted grosbeak, Pheucticus ludovlcianus | 3 | 1 | 16 | 1 | •1 | 16 | 2 | 1 | 14 | 1 | •1 | 15 |
| Cedar waxwing, Bombycllla cedrorum | 3 | 1 | 16 | 1 | •1 | 16 | 11 | 3 | 9 | |||
| Great crested flycatcher, Myiarchus crinitus | 3 | •1 | 16 | 3 | 1 | 13 | 3 | 1 | 13 | |||
| Wood thrush, Hyloclchla mustelina | 3 | •1 | 16 | 1 | •1 | 16 | 22 | 8 | 4 | 19 | 6 | 7 |
| Broad-winged hawk, Buteo platypterus | 3 | 1 | 10 | 3 | 1 | 13 | 1 | •1 | 15 | |||
| Black-billed cuckoo, Coccyzus erythropthalmus | 2 | 1 | 17 | |||||||||
| Least flycatcher, Empidonax minimus | 2 | 1 | 17 | 5 | 1 | 13 | 2 | 1 | 14 | 1 | •1 | 15 |
| Yellow-rumped warbler, Dendroica coronata | 2 | 1 | 17 | |||||||||
| Brown creeper, Certhia familiaris | 1 | •1 | 18 | 2 | 1 | 14 | ||||||
| Canada warbler, Wilsonia canadensis | 1 | •1 | 18 | |||||||||
| American crow, Corvus brachyrhynchos | 1 | •1 | 18 | 2 | 1 | 14 | ||||||
| Golden-winged warbler, Vermlvora chrysoptera | 1 | •1 | 18 | 2 | 1 | 15 | ||||||
| Ovenbird, Seiurus aurocapillus | 1 | •1 | 18 | 3 | 1 | 14 | 20 | 7 | 5 | 33 | 10 | 3 |
| Ruffed grouse, Bonasa umbellus | 1 | •1 | 18 | 1 | •1 | 15 | ||||||
| Great horned owl, Bubo virginianus | 1 | •1 | 15 | |||||||||
| House wren, Troglodytes aedon | 2 | 1 | 15 | 1 | •1 | 15 | ||||||
| Blue jay, Cyanocitta cristata | 1 | •1 | 15 | |||||||||
| Tufted titmouse, Parus bicolor | 3 | 1 | 14 | |||||||||
| Northern raven, Corvus corax | ||||||||||||
| Yellow-shafted flicker, Colaptes auratus | 2 | 1 | 14 | |||||||||
| Eastern pewee, Contopus virens | 1 | •1 | 16 | 12 | 5 | 4 | 21 | 7 | 6 | |||
| Worm-eating warbler, Helmitheros vermlvorus | 1 | •1 | 16 | 6 | 2 | 11 | ||||||
| Yellow-billed cuckoo, Coccyzus americanus | ||||||||||||
| Black-throated blue warbler, Dendroica caerulescens | ||||||||||||
| Northern oriole, Icterus galbula | 1 | •1 | 16 | |||||||||
| Brown thrasher, Toxostoma rufum | 2 | 1 | 15 | |||||||||
| Eastern bluebird, Sialia sialis | 1 | •1 | 16 | |||||||||
| Northern cardinal, Cardinalis cardinalis | 1 | •1 | 15 | |||||||||
| Pileated woodpecker, Dryocopus pileatus | 2 | 1 | 14 | |||||||||
| Hermit thrush, Catharus guttatus | 1 | •1 | 15 | |||||||||
| Veery, Catharus fuscescens | 1 | •1 | 15 | |||||||||
| Hairy woodpecker, Picoides vlllosus | 1 | •1 | 15 | |||||||||
| Total number | 523 | 586 | 270 | 334 | ||||||||
| No./hectare/day | 6.3 | 7.0 | 3.0 | 3.5 | ||||||||
| No. species (51 total) | 32 | 30 | 25 | 30 | ||||||||