Northern Prairie Wildlife Research Center

Evaluation of the Bird Conservation Area Concept in the Northern Tallgrass Prairie Annual Report: 2000

Table 2

**Table 2.** Mean bird density/100 ha (ą standard error) in small and large plots in neutral and hostile landscapes, by region, in 2000. Species are in taxonomic order.
Species	Crookston	Glyndon	Sheyenne
Mallard	0	0	0	0	18.2 ą 16.4	0	2.9 ± 1.8	0	0	2.5 ± 1.5	3.6 ± 3.6
Green-winged Teal	0	0	0	0	0	0	0	0	0	2.5 ± 2.5	0
Blue-winged Teal	0	0	0	0	0	0	0	0	0	8.7 ± 5.4	0
Northern Shoveler	0	0	0	0	0	0	0	0	0	1.2 ± 1.2	3.6 ± 3.6
Northern Pintail	0	0	0	0	0	0	0	0	0	1.2 ± 1.2	0
Wood Duck	0	0	0	0	2.9 ± 2.9	0	0	0	0	0	0
Sora	0	0	0	0	2.4 + 2.4	0	0	0	0	0	0
Marbled Godwit	4.2 ± 4.2	0	1.6 ± 1.6	0	0	0	4.2 ± 1.7	0	0	5.0 ± 2.3	0
Wilson's Phalarope	0	0	0	0	0	0	0	0	0	11.2 ± 6.1	0
Killdeer	0	0	1.6 ± 1.6	0	2.9 ± 2.9	0	0	0	0	2.5 ± 1.5	3.6 ± 3.6
Common Snipe	6.9 ± 4.2	6.7 ± 6.7	7.8 ± 1.6	2.2 ± 2.2	2.9 ± 2.9	0	1.2 ± 1.2	0	0	1.2 ± 1.2	14.0 ± 0.2
Upland Sandpiper	2.8 ± 2.8	0	3.1 ± 1.8	2.2 ± 2.2	0	0	2.5 ± 1.5	0	0	1.2 ± 1.2	6.9 ± 6.9
Red-tailed Hawk	0	8.3 ± 8.3	0	0	0	0	0	0	0	0	0
Northern Harrier	4.2 ± 4.2	0	0	0	1.6 ± 1.6	0	4.2 ± 1.7	3.2 ± 1.8	0	0	0
American Kestrel	0	0	0	0	0	0	1.2 ± 1.2	1.6 ± 1.6	0	0	0
Short-eared Owl	0	0	1.6 ± 1.6	0	1.6 ± 1.6	0	2.5 ± 1.5	0	0	0	0
Greater Prairie-Chicken	0	0	9.4 ± 7.4	0	0	0	2.9 ± 1.8	0	0	1.2 ± 1.2	3.4 ± 3.4
Morning Dove	0	0	0	0	0	0	0	0	0	1.2 ± 1.2	0
Northern Flicker	4.2 ± 4.2	0	0	0	0	0	0	0	0	0	0
Eastern Kingbird	4.2 ± 4.2	0	1.6 ± 1.6	7.7 ± 0.5	4.8 ± 4.8	18.5 ± 9.8	2.6 ± 1.6	3.6 ± 2.1	19.6 ± 7.9	3.7 ± 2.5	10.6 ± 3.7
Willow Flycatcher	0	2.9 ± 2.9	0	0	0	0	0	0	0	0	0
Alder Flycatcher	0	0	0	0	0	0	1.3 ± 1.3	0	0	0	0
Bank Swallow	0	0	0	0	0	0	0	7.8 ± 7.8	0	0	0
Barn Swallow	0	3.0 ± 3.0	1.6 ± 1.6	0	2.0 ± 2.0	6.1 ± 6.1	3.8 ± 1.6	2.1 ± 2.1	18.2 ± 18.2	12.5 ± 6.6	3.6 ± 3.6
Tree Swallow	0	0	0	0	5.3 ± 3.4	28.3 ± 19.9	18.7 ± 10.5	4.7 ± 4.7	0	0	10.3 ± 10.3
American Crow	0	0	0	0	0	0	0	0	7.1 ± 7.1	0	0
Marsh Wren	0	0	0	5.3 ± 5.3	17.6 ± 7.2	0	0	0	0	1.2 + 1.2	0
Sedge Wren	30.6 ± 17.8	8.6 ± 8.6	56.2 ± 28.1	26.0 ± 13.9	5.5 ± 3.9	14.8 ± 14.8	11.3 ± 5.7	17.2 ± 11.8	0	5.0 ± 5.0	6.9 ± 6.9
House Wren	0	0	0	0	0	11.1 + 11.1	0	2.1 + 2.1	0	0	0
American Robin	0	0	0	0	0	0	0.6 ± 0.6	0	0	0	0
Gray Catbird	0	0	0	2.2 ± 2.2	0	0	1.3 ± 1.3	1.6 ± 1.6	0	0	3.6 ± 3.6
Warbling Vireo	0	0	0	0	0	0	0	0	9.1 ± 9.1	0	3.6 ± 3.6
Yellow Warbler	0	0	0	5.6 ± 5.6	5.3 ± 3.4	17.2 ± 9.6	7.8 ± 5.3	2.1 ± 2.1	0	0	3.6 ± 3.6
Common Yellowthroat	8.3 ± 4.8	6.7 ± 6.7	7.8 ± 4.7	9.9 ± 1.7	26.5 ± 9.4	13.5 ± 6.8	16.7 ± 7.7	18.8 ± 9.8	6.9 ± 6.9	2.5 ± 2.5	10.7 ± 10.7
Grasshopper Sparrow	0	15.1 ± 15.1	3.1 ± 1.8	0	11.1 ± 11.1	0	37.2 ± 15.8	0	48.9 ± 30.2	67.5 ± 21.4	59.7 ± 4.6
Le Conte's Sparrow	55.6 ± 26.1	65.9 ± 31.8	107.8 ± 29.1	79.4 ± 39.9	19.5 ± 8.6	52.5 ± 27.2	76.4 ± 24.4	19.5 ± 7.1	0	31.2 ± 8.8	24.7 ± 11.0
Vesper Sparrow	0	0	0	2.7 ± 2.7	0	0	0	0	17.7 ± 13.5	0	3.6 ± 3.6
Savannah Sparrow	162.5 ± 34.9	73.5 ± 10.5	173.4 ± 5.3	86.8 ± 11.0	91.1 ± 25.8	46.5 ± 23.3	104.0 ± 36.8	34.2 ± 12.0	0	101.2 ± 18.0	63.8 ± 36.2
Song Sparrow	0	0	0	0	12.9 ± 6.8	17.2 ± 9.6	1.3 ± 1.3	13.7 ± 5.2	0	0	3.6 ± 3.6
Field Sparrow	0	0	0	0	0	0	0	0	10.5 ± 6.6	0	0
Clay-colored Sparrow	20.8 ± 8.0	52.9 ± 10.5	34.4 ± 14.5	58.3 ± 32.8	53.9 ± 15.9	76.1 ± 6.6	38.5 ± 17.3	76.2 ± 27.8	87.1 ± 30.6	10.0 ± 8.5	46.3 ± 39.4
Swamp Sparrow	8.3 ± 8.3	0	0	0	10.8 ± 5.5	0	0	0	0	0	0
Nelson's Sharp-tailed Sparrow	0	0	1.6 ± 1.6	0	0	0	0	0	0	0	0
Bobolink male	22.2 ± 15.7	3.0 ± 3.0	51.6 ± 6.4	27.4 ± 3.0	73.0 ± 14.6	39.1 ± 21.2	40.6 ± 3.4	26.0 ± 14.8	47.1 ± 31.5	60.0 ± 23.2	10.2 ± 1.2
Western Meadowlark	6.9 ± 4.2	3.0 ± 3.0	10.9 ± 3.0	0	3.5 ± 2.3	0	9.7 ± 2.1	1.6 ± 1.6	16.1 ± 7.5	31.2 ± 3.9	24.7 ± 11.0
Red-winged Blackbird	15.3 ± 6.9	0	10.9 ± 5.3	5.3 ± 5.3	81.3 ± 20.1	0	16.2 ± 9.6	0	0	41.2 ± 18.1	53.1 ± 25.5
Yellow-headed Blackbird	0	0	0	0	0	0	0	0	0	5.0 ± 5.0	0
Brewer's Blackbird	12.5 ± 12.5	0	3.1 ± 3.1	0	0	0	0	0	0	0	0
Brown-headed Cowbird female	8.3 ± 8.3	0	3.1 ± 3.1	0	2.9 ± 2.9	11.1 ± 11.1	0	1.6 ± 1.6	9.1 ± 9.1	18.7 ± 6.2	21.3 ± 14.4
Brown-headed Cowbird male	5.6 ± 5.6	0	4.7 ± 4.7	2.2 ± 2.2	6.9 ± 3.2	11.1 ± 11.1	8.2 ± 3.3	3.3 ± 3.3	9.1 ± 9.1	22.5 ± 6.1	21.3 ± 14.4
Common Grackle	0	0	0	0	0	0	0	0	0	2.5 ± 1.5	17.9 ± 17.9
Northern Oriole	0	0	0	0	0	0	0	0	0	0	3.6 ± 3.6
American Goldfinch	0	12.7 ± 7.4	0	0	9.5 ± 5.4	29.6 ± 19.6	3.9 ± 2.6	0	16.2 ± 9.5	0	10.7 ± 10.7
Total number of species	19	13	22	16	27	16	28	20	15	29	29

Table 2. Mean bird density/100 ha (ą standard error) in small and large plots in neutral and hostile landscapes, by region, in 2000. Species are in taxonomic order.

Species

Crookston

Glyndon

Sheyenne

Small

Large

Small

Large

Small

Large

Neutral
N=4

Hostile
N=4

Neutral
N=4

Hostile
N=3

Neutral
N=6

Hostile
N=3

Neutral
N=5

Hostile
N=4

Neutral
N=5

Hostile
N=2

Mallard

18.2 ą 16.4

2.9 ± 1.8

2.5 ± 1.5

3.6 ± 3.6

Green-winged Teal

2.5 ± 2.5

Blue-winged Teal

8.7 ± 5.4

Northern Shoveler

1.2 ± 1.2

3.6 ± 3.6

Northern Pintail

1.2 ± 1.2

Wood Duck

2.9 ± 2.9

Sora

2.4 + 2.4

Marbled Godwit

4.2 ± 4.2

1.6 ± 1.6

4.2 ± 1.7

5.0 ± 2.3

Wilson's Phalarope

11.2 ± 6.1

Killdeer

1.6 ± 1.6

2.9 ± 2.9

2.5 ± 1.5

3.6 ± 3.6

Common Snipe

6.9 ± 4.2

6.7 ± 6.7

7.8 ± 1.6

2.2 ± 2.2

2.9 ± 2.9

1.2 ± 1.2

14.0 ± 0.2

Upland Sandpiper

2.8 ± 2.8

3.1 ± 1.8

2.2 ± 2.2

2.5 ± 1.5

1.2 ± 1.2

6.9 ± 6.9

Red-tailed Hawk

8.3 ± 8.3

Northern Harrier

4.2 ± 4.2

1.6 ± 1.6

4.2 ± 1.7

3.2 ± 1.8

American Kestrel

1.2 ± 1.2

1.6 ± 1.6

Short-eared Owl

1.6 ± 1.6

2.5 ± 1.5

Greater Prairie-Chicken

9.4 ± 7.4

2.9 ± 1.8

1.2 ± 1.2

3.4 ± 3.4

Morning Dove

1.2 ± 1.2

Northern Flicker

4.2 ± 4.2

Eastern Kingbird

4.2 ± 4.2

1.6 ± 1.6

7.7 ± 0.5

4.8 ± 4.8

18.5 ± 9.8

2.6 ± 1.6

3.6 ± 2.1

19.6 ± 7.9

3.7 ± 2.5

10.6 ± 3.7

Willow Flycatcher

2.9 ± 2.9

Alder Flycatcher

1.3 ± 1.3

Bank Swallow

7.8 ± 7.8

Barn Swallow

3.0 ± 3.0

1.6 ± 1.6

2.0 ± 2.0

6.1 ± 6.1

3.8 ± 1.6

2.1 ± 2.1

18.2 ± 18.2

12.5 ± 6.6

3.6 ± 3.6

Tree Swallow

5.3 ± 3.4

28.3 ± 19.9

18.7 ± 10.5

4.7 ± 4.7

10.3 ± 10.3

American Crow

7.1 ± 7.1

Marsh Wren

5.3 ± 5.3

17.6 ± 7.2

1.2 + 1.2

Sedge Wren

30.6 ± 17.8

8.6 ± 8.6

56.2 ± 28.1

26.0 ± 13.9

5.5 ± 3.9

14.8 ± 14.8

11.3 ± 5.7

17.2 ± 11.8

5.0 ± 5.0

6.9 ± 6.9

House Wren

11.1 + 11.1

2.1 + 2.1

American Robin

0.6 ± 0.6

Gray Catbird

2.2 ± 2.2

1.3 ± 1.3

1.6 ± 1.6

3.6 ± 3.6

Warbling Vireo

9.1 ± 9.1

3.6 ± 3.6

Yellow Warbler

5.6 ± 5.6

5.3 ± 3.4

17.2 ± 9.6

7.8 ± 5.3

2.1 ± 2.1

3.6 ± 3.6

Common Yellowthroat

8.3 ± 4.8

6.7 ± 6.7

7.8 ± 4.7

9.9 ± 1.7

26.5 ± 9.4

13.5 ± 6.8

16.7 ± 7.7

18.8 ± 9.8

6.9 ± 6.9

2.5 ± 2.5

10.7 ± 10.7

Grasshopper Sparrow

15.1 ± 15.1

3.1 ± 1.8

11.1 ± 11.1

37.2 ± 15.8

48.9 ± 30.2

67.5 ± 21.4

59.7 ± 4.6

Le Conte's Sparrow

55.6 ± 26.1

65.9 ± 31.8

107.8 ± 29.1

79.4 ± 39.9

19.5 ± 8.6

52.5 ± 27.2

76.4 ± 24.4

19.5 ± 7.1

31.2 ± 8.8

24.7 ± 11.0

Vesper Sparrow

2.7 ± 2.7

17.7 ± 13.5

3.6 ± 3.6

Savannah Sparrow

162.5 ± 34.9

73.5 ± 10.5

173.4 ± 5.3

86.8 ± 11.0

91.1 ± 25.8

46.5 ± 23.3

104.0 ± 36.8

34.2 ± 12.0

101.2 ± 18.0

63.8 ± 36.2

Song Sparrow

12.9 ± 6.8

17.2 ± 9.6

1.3 ± 1.3

13.7 ± 5.2

3.6 ± 3.6

Field Sparrow

10.5 ± 6.6

Clay-colored Sparrow

20.8 ± 8.0

52.9 ± 10.5

34.4 ± 14.5

58.3 ± 32.8

53.9 ± 15.9

76.1 ± 6.6

38.5 ± 17.3

76.2 ± 27.8

87.1 ± 30.6

10.0 ± 8.5

46.3 ± 39.4

Swamp Sparrow

8.3 ± 8.3

10.8 ± 5.5

Nelson's Sharp-tailed Sparrow

1.6 ± 1.6

Bobolink male

22.2 ± 15.7

3.0 ± 3.0

51.6 ± 6.4

27.4 ± 3.0

73.0 ± 14.6

39.1 ± 21.2

40.6 ± 3.4

26.0 ± 14.8

47.1 ± 31.5

60.0 ± 23.2

10.2 ± 1.2

Western Meadowlark

6.9 ± 4.2

3.0 ± 3.0

10.9 ± 3.0

3.5 ± 2.3

9.7 ± 2.1

1.6 ± 1.6

16.1 ± 7.5

31.2 ± 3.9

24.7 ± 11.0

Red-winged Blackbird

15.3 ± 6.9

10.9 ± 5.3

5.3 ± 5.3

81.3 ± 20.1

16.2 ± 9.6

41.2 ± 18.1

53.1 ± 25.5

Yellow-headed Blackbird

5.0 ± 5.0

Brewer's Blackbird

12.5 ± 12.5

3.1 ± 3.1

Brown-headed Cowbird female

8.3 ± 8.3

3.1 ± 3.1

2.9 ± 2.9

11.1 ± 11.1

1.6 ± 1.6

9.1 ± 9.1

18.7 ± 6.2

21.3 ± 14.4

Brown-headed Cowbird male

5.6 ± 5.6

4.7 ± 4.7

2.2 ± 2.2

6.9 ± 3.2

11.1 ± 11.1

8.2 ± 3.3

3.3 ± 3.3

9.1 ± 9.1

22.5 ± 6.1

21.3 ± 14.4

Common Grackle

2.5 ± 1.5

17.9 ± 17.9

Northern Oriole

3.6 ± 3.6

American Goldfinch

12.7 ± 7.4

9.5 ± 5.4

29.6 ± 19.6

3.9 ± 2.6

16.2 ± 9.5

10.7 ± 10.7

Total number of species

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/bca2000/table2.htm
Page Contact Information: Webmaster
Page Last Modified: Friday, 01-Feb-2013 18:11:49 EST
Menlo Park, CA [caww54]


Home	About NPWRC	Our Science	Staff	Employment	Contacts	Common Questions	About the Site