No. of ticks positive/No. of ticks tested (%)

Ixodes auritulus

I. muris

I. pacificus

I. spinipalpis

Bird species

L

N

F

F

L

N

L

N

Infection prevalence (%)

Spotted Towhee

Pipilo maniculatus Swainson

2/2

6/16

1/1

0/0

0/0

0/3

0/1

1/1

10/24 (42)

Swainson’s Thrush

Catharus ustulatus Nuttall

1/2

24/36

1/8

0/0

0/0

0/0

0/0

0/0

26/46 (57)

Song Sparrow

Melospiza melodia (Wilson)

0/1

9/29

0/1

0/0

0/0

0/0

0/1

0/4

9/36 (25)

House Wren

Troglodytes aedon Vieillot

0/0

0/0

2/2

0/0

0/0

0/1

0/1

0/0

2/4 (50)

American Robin

Turdus migratorius L.

0/0

0/0

0/5

0/0

0/0

0/0

0/0

0/0

0/5 (0)

Bewick’s Wren

Thryomanes bewickii (Audubon)

0/0

1/2

0/1

0/0

0/0

0/0

0/0

1/1

2/4 (50)

Pacific Wren

Troglodytes pacificus S.F. Baird

19/43

1/3

2/4

0/0

0/0

0/0

0/0

0/0

22/50 (50)

Wilson’s Warbler

Wilsonia pusilla (Wilson)

0/2

1/2

0/0

0/0

0/0

0/0

0/0

0/0

1/4 (25)

Common Yellowthroat

Geothlypis trichas (L.)

0/0

0/4

0/1

0/1

0/0

0/0

0/0

0/0

0/5 (0)

Savannah Sparrow

Passerculus sandwichensis (Gmelin)

0/0

0/1

0/0

0/0

0/0

0/0

0/0

0/0

0/1 (0)

Lincoln’s Sparrow

Melospiza lincolnii (Audubon)

0/0

4/5

0/0

0/0

0/0

0/0

0/0

0/0

4/5 (80)

Fox Sparrow

Passerella iliaca (Merrem)

23/97

19/82

2/4

0/0

0/0

0/0

0/0

0/0

44/183 (24)

Golden-crowned Sparrow

Zonotrichia atricapilla (Gmelin)

0/0

0/0

0/1

0/0

0/0

0/0

0/0

0/0

0/1 (0)

Brown-headed Cowbird

Molothrus ater (Boddaert)

0/0

0/0

0/1

0/0

0/0

0/0

0/0

0/0

0/1 (0)

Puget Sound White-crowned Sparrow

Zonotrichia leucophrys

pugetensis (Forster)

0/0

0/2

0/0

0/0

0/0

0/0

1/2

0/0

1/5 (20)

Oregon Junco

Junco hyemalis oreganus (L.)

0/0

1/3

1/2

0/0

0/0

0/0

0/0

0/0

2/5 (40)

Hermit Thrush

Catharus guttatus (Pallas)

0/11

0/3

1/1

0/0

0/0

0/0

0/0

0/0

1/15 (7)

White-throated Sparrow

Zonotrichia albicollis (Gmelin)

0/0

0/3

0/2

0/0

0/0

0/0

0/0

0/0

0/5 (0)

Orange-crowned Warbler

Vermivora celata (Say)

0/0

0/0

0/1

0/0

0/0

0/0

0/0

0/0

0/1 (0)

Chipping Sparrow

Spizella passerina (Bechstein)

0/0

0/1

0/1

0/0

0/1

0/0

0/0

0/0

0/3 (0)

MacGillivray’s Warbler

Oporornis tolmiei (Townsend)

0/0

0/1

0/0

0/0

0/0

0/0

0/0

0/0

0/1 (0)

Totals

45/158

66/193

10/37

0/1

0/1

0/4

1/5

2/6

124/405 (31)