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  1. Tags
  2. Appendix

Tag Harness Sizes

PreviousAppendixNextRetrieving lost tags

Last updated 3 years ago

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This table lists harness sizes for the pre-fabricated ‘figure eight’ leg loop harness method based on real sizes used on individuals tagged in the field. Sizes include the length of the entire single leg-loop, but do not include overlap with the tag. Weights can be used to help specify which harness size to use.

Please note that these are guidelines. Regardless of what sizes you find here, the harness should always be fitted to the individual. Please see a for more information.

Species
Harness Size (mm)
Weight (g)
Sample size

Yellow-billed Cuckoo

50-61

43-80

10

Black-billed Cuckoo

52

34

1

Hammond's Flycatcher

29

9.5

1

Dusky Flycatcher

34

1

Say's Phoebe

37

23.5

1

White-eyed Vireo

28-34

9-12

5

Warbling Vireo

33-35

13-14

3

Red-eyed Vireo

39-42

15-20

100+

Bank Swallow

32-34

10-13

50+

Barn Swallow

34-37

17-19

80+

House Wren

33

11

1

Eurasian Reed Warbler

30

9-13

60+

Gray-cheeked Thrush

50-54

26-37

30+

Bicknell's Thrush

46-50

24-30

12

Swainson's Thrush

48-52

25-36

100+

Brown Thrasher

62

67

1

Golden-winged Warbler

29

8

1

Orange-crowned Warbler

29-32

8-10

4

Kentucky Warbler

34-35

12-15

2

Hooded Warbler

30-34

9-14

4

Magnolia Warbler

24-28

?

Blackpoll Warbler

33-36

10-22

200+

Black-throated Blue Warbler

26-28

?

Palm Warbler

26-34

9-12

5

Yellow-rumped Warbler (Myrtle)

31-34

10-15

100+

Prairie Warbler

26-29

7-10

7

Canada Warbler

34

10-12

?

Yellow-breasted Chat

40-42

22-25

4

Saltmarsh Sparrow

36-39

18-20

60+

Clay-colored Sparrow

30-31

9-12

7

Field Sparrow

30-32

12-13

6

Lark Sparrow

32-42

20-28

1

White-crowned Sparrow

44

31

1

White-throated Sparrow

45-50

23-31

100+

Savannah Sparrow (Ipswich)

38-44

21-30

100+

Eastern Towhee

50

40

1

Summer Tanager

39-40

26-27

2

Blue Grosbeak

37

26

1

Indigo Bunting

34-36

14-17

10

Painted Bunting

34

1

Dickcissel

38-44

22-32

3

Orchard Oriole

40-42

19-22

2

How to Tag Animals