Table 1. Number of individuals testing positive for M. gallisepticum out of total number sampled by polymerase chain reaction (DNA detected = current infection) or by rapid plate agglutination (antibodies detected = previous infection).
| M. gallisepticum DNA detected | M. gallisepticum antibodies present | |||||||||||
| Species/Family | Feeder use | Status | This study | Farmer et al (2005) | Luttrell et al. (2001) | Hartup et al. (2000) | sum | This study | Farmer et al (2005) | Luttrell et al. (2001) | Hartup et al. (2000) | sum |
| Downy Woodpecker (Picoides pubescens) | F | YR | 1/36 | - | - | - | 1/36 | 1/36 | - | - | - | 1/36 |
| Eastern Tufted Titmouse (Baeolophus bicolor) | F | YR | 0/36 | - | 12/28 | - | 12/64 | 5/36 | 4/17 | 32/44 | 4/8 | 45/105 |
| Black-capped Chickadee (Poecile atricapilla) | F | YR | 0/160 | - | - | 0/2 | 0/162 | 11/160 | - | - | - | 11/160 |
| White-breasted Nuthatch (Sitta carolinensis) | F | YR | 0/19 | - | - | - | 0/19 | 0/19 | - | - | - | 0/19 |
| American Robin (Turdus migratorius) | NF | SUM | 0/19 | - | 0/3 | - | 0/22 | 3/19 | 0/2 | 10/16 | - | 13/37 |
| Gray Catbird (Dumetella carolinensis) | NF | SUM | 0/45 | - | - | - | 0/45 | 3/45 | 2/2 | - | - | 5/47 |
| Cedar Waxwing (Bombycilla garrulus) | NF | YR | 1/10 | - | - | - | 1/10 | 0/10 | - | - | - | 0/10 |
| Common Yellowthroat (Geothlypis trichas) | NF | SUM | 1/13 | - | - | - | 1/13 | 0/13 | - | - | - | 0/13 |
| Northern Cardinal (Cardinalis cardinalis) | F | YR | 1/28 | - | 0/6 | - | 1/34 | 3/28 | 5/49 | 33/157 | - | 41/234 |
| American Tree Sparrow (Spizella arborea) | F | WIN | 1/46 | - | - | 0/2 | 1/48 | 2/46 | - | - | 0/15 | 2/61 |
| White-crowned Sparrow (Zonotrichia leucophrys) | F | WIN | 1/23 | - | - | - | 1/23 | 1/23 | - | - | - | 1/23 |
| White-throated Sparrow (Zonotrichia albicollis) | F | WIN | 1/21 | 0/3 | 1/24 | 1/21 | 0/27 | 11/91 | 0/10 | 12/149 | ||
| Song Sparrow (Melospiza melodia) | F | SUM | 1/121 | - | - | - | 1/121 | 7/121 | 0/3 | 1/58 | 0/1 | 8/183 |
| Dark-eyed Junco (Junco hyemalis) | F | WIN | 1/15 | - | - | - | 1/15 | 0/15 | - | 0/37 | 0/5 | 0/57 |
| Brown-headed Cowbird (Molothrus ater) | F | SUM | 0/11 | - | 0/3 | - | 0/14 | 1/11 | 1/7 | 14/19 | 2/6 | 18/43 |
| Red-winged Blackbird (Agelaius phoeniceus) | F | SUM | 3/74 | - | - | - | 3/74 | 0/74 | 1/1 | 0/2 | - | 1/77 |
| Purple Finch (Haemorhous purpureus) | F | YR | 1/28 | - | - | 1/5 | 2/33 | 0/28 | - | 0/21 | 3/24 | 3/73 |
| House Finch (Haemorhous s mexicanus) | F | YR | 40/331 | 6/84 | 17/194 | 63/609 | 11/331 | - | 30/112 | 4/23 | 45/466 | |
| Pine Siskin (Carduelis pinus) | F | WIN | 2/154 | - | - | - | 2/154 | 3/154 | - | 0/1 | 4/23 | 7/178 |
| American Goldfinch (Spinus tristis) | F | YR | 15/537 | - | - | 0/53 | 15/590 | 8/537 | 6/41 | 3/97 | 1/9 | 18/684 |
| House Sparrow (Passer domesticus) | F | YR | 1/111 | 1/111 | 6/111 | 6/33 | 0/24 | 12/168 | ||||
Only species with 10+ individuals in Ithaca included; complete list in Table S1. - = no data. Feeder use: NF: species not using feeders; F: Status: YR: present year round; SUM: summer visitor; WIN: winter visitor.