TABLE 1.

Numbers of birds of each species that carried ticks and numbers of I. scapularis ticks they carried that were infected with B. burgdorferi

SpeciesNo. of birds carrying ticks of any species/no. examined (%)No. (%) of I. scapularis-infested birdsNo. of infected I. scapularis nymphs/no. testedNo. of infected I. scapularis larvae/no. testedNo. of individuals carrying infected ticks (no. that carried >1 infected tick)
Yellow-bellied sapsucker1/63 (1.59)0
Least flycatcher1/422 (0.23)0
Red-eyed vireo2/294 (0.76)0
Blue jay9/1,575 (0.57)4 (0.25)3/102 (1)
Bank swallow1/21 (4.76)0
Black-capped chickadeea1/215 (0.46)1 (0.46)0/10
Brown creeper2/391 (0.51)2 (0.51)0/20
House wren10/266 (3.76)4 (1.50)1/130/11
Winter wren4/155 (2.58)3 (1.93)3/71 (1)
Golden-crowned kinglet1/513 (0.19)1 (0.19)
Ruby-crowned kinglet8/2,052 (0.39)1 (0.05)0/10
American robin11/416 (2.64)7 (1.68)6/164 (2)
Gray-cheeked thrush10/177 (5.65)7 (3.95)1/100/11
Hermit thrush45/898 (5.01)12 (1.34)0/70/70
Swainson's thrush11/607 (1.81)7 (1.15)1/120/61
Veery9/299 (3.01)2 (0.67)0/60/10
Wood thrush3/229 (1.31)0
Brown thrasher22/186 (11.83)7 (3.76)0/30/130
Gray catbird9/1,092 (0.82)5 (0.46)0/70
European starling5/81 (6.17)2 (2.47)1/21
Cedar waxwing1/136 (0.73)1 (0.73)0/10
Blue-winged warbler1/45 (2.22)1 (2.22)0/10
Nashville warbler1/487 (0.21)0
Yellow warbler2/1,477 (0.13)1 (0.06)1/11
Chestnut-sided warbler1/317 (0.31)1 (0.31)1/11
Magnolia warbler1/1,719 (0.06)0
Black-throated blue warbler1/199 (0.05)1 (0.05)0/10
Yellow-rumped warbler1/1,642 (0.06)1 (0.06)0/10
Yellow palm warbler1/10 (10.00)1 (10.00)0/10
Bay-breasted warbler1/42 (2.38)0
Ovenbird1/407 (0.24)0
Northern waterthrush2/133 (1.50)2 (1.50)1/21
Mourning warbler2/125 (1.60)2 (1.60)0/10/10
Common yellowthroat14/653 (2.14)11 (1.68)1/211
Canada warbler1/171 (0.58)1 (0.58)0/10
Hooded warbler1/24 (4.17)1 (4.17)0/1
Northern cardinal1/119 (0.84)0
Rose-breasted grosbeak1/534 (0.19)0
Indigo bunting2/118 (1.69)2 (1.69)1/51
Eastern towhee4/78 (5.13)2 (2.56)0/20
Chipping sparrow2/1,733 (0.11)1 (0.05)0/20/10
Nelson's sharp-tailed sparrow1/1 (100)0
Field sparrow1/198 (0.50)1 (0.50)0/10
Fox sparrow4/82 (4.88)1 (1.22)0/60
White-throated sparrow92/4,674 (19.68)10 (0.21)1/130/51
Eastern white-crowned sparrow9/1,331 (0.68)1 (0.07)0/10
Gambel's white-crowned sparrow2/33 (6.06)0
Slate-colored junco17/1,357 (1.25)3 (0.22)1/10/31
Lincoln's sparrow13/498 (2.61)2 (0.40)1/31
Song sparrow19/720 (2.64)5 (0.69)2/50/42
Swamp sparrow18/482 (3.73)2 (0.41)2/41 (1)
Brown-headed cowbird1/1,091 (0.09)0
Red-winged blackbird19/1,747 (10.87)12 (0.69)3/283
Common grackle13/1,088 (0.92)8 (0.73)1/160/11
Purple finch1/185 (0.54)0
American goldfinch1/1,2360
House sparrow1/1,236 (0.08)0
Total for all migratory species413/39,095 (1.06)138 (0.35)32/2090/5325 (5)
  • a This species was considered nonmigratory, and these data were not included in statistical analyses.