2001 Observation Data for All Migration Projects

This chart represents the observation totals from all established HawkWatch International migration field sites in 2001.  These data are the property of HawkWatch International and its collaborators, and may not be used without written permission from HawkWatch International.

Please contact HawkWatch International for permission to use these data.

Note: This is a large table that may take a few moments to load, so if it does not appear immediately, please be patient.

 

Chelan

Ridge

WA

Bonney

Butte

OR

Rogers

Pass

MT

Bridger

Mts.

MT

Goshute

Mts.

NV

Jordanelle

Reservoir

UT

Wellsville

Mts.

UT

Commissary

Ridge

WY

Lipan

Point

AZ

Yaki

Point

AZ

Sandia

Mts.

NM

Manzano

Mts.

NM

Corpus

Christi

TX

Smith

Point

TX1

Curry

Hammock

FL1

Veracruz

MX2

Year begun / total years

1998 / 4

1994 / 7

1988 / 11

1991 / 11

1983 / 19

1997 / 5

1977 / 18

2001 / 1

1991 / 11

1997 / 5

1985 / 17

1985 / 17

1997 / 5

1997 / 5

1999 / 3

1992 / 10

Start date

27-Aug

27-Aug

1-Mar

27-Aug

15-Aug

25-Feb

28-Aug

3-Sep

27-Aug

27-Aug

22-Feb

27-Aug

15-Aug

15-Aug

15-Sep

20-Aug

End date

22-Oct

28-Oct

31-Mar

31-Oct

5-Nov

12-May

30-Oct

23-Oct

5-Nov

5-Nov

5-May

4-Nov

15-Nov

15-Nov

13-Nov

20-Nov

Observation days

55

58

26

58

83

69

59

22

71

71

67

68

93

93

60

91

Observation hours

439.0

415.8

195.7

347.5

787.3

516.5

488.0

145.9

575.1

595.6

543.2

545.5

723.5

743.3

435.0

-
 
SPECIES
RAPTOR COUNTS

Black Vulture

-3

-

-

-

-

-

-

-

-4

-4

-

-

222

379

-

-

Turkey Vulture

14

338

0

0

441

1572

26

67

-

-

1328

164

4870

2488

-

2015903

Osprey

48

78

0

6

152

95

27

16

83

34

81

26

114

62

983

3727

Northern Harrier

91

7

2

36

178

49

230

40

39

31

52

37

162

472

741

689

Swallow-tailed Kite

-

-

-

-

-

-

-

-

-

-

-

-

37

74

17

286

White-tailed Kite

-

-

-

-

-

-

-

-

-

-

0

0

2

26

-

2

Mississippi Kite

-

-

-

-

-

-

-

-

-

-

0

0

10155

3253

57

214195

Plumbeous Kite

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

11

Hook-billed Kite

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

257

Unknown kite

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

5

Sharp-shinned Hawk

878

957

5

274

7429

210

764

303

1609

1792

311

1032

698

3878

3697

3535

Cooper's Hawk

198

256

1

120

5107

139

545

256

1158

1293

556

913

473

1281

335

3764

Northern Goshawk

16

10

7

26

80

3

15

11

7

11

9

13

0

0

-

-

Unknown accipiter

98

840

0

27

55

78

89

44

99

72

91

86

298

15

23

224

Gray Hawk

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

519

Common Black-hawk

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

10

Harris's Hawk

-

-

-

-

-

-

-

-

-

-

-

-

14

2

-

6

White-tailed Hawk

-

-

-

-

-

-

-

-

-

-

-

-

7

12

-

0

Zone-tailed Hawk

-

-

-

-

-

-

-

-

-

1

1

1

1

0

-

158

Short-tailed Hawk

-

-

-

-

-

-

-

-

-

-

-

-

-

-

38

0

Red-shouldered Hawk

0

0

-

-

0

-

-

-

-

-

-

-

45

54

7

12

Broad-winged Hawk

6

0

0

38

79

3

1

1

25

11

3

6

864355

103612

3535

2156458

Swainson's Hawk

0

0

0

0

251

66

61

18

26

19

43

815

14260

321

109

1063587

Red-tailed Hawk

263

513

27

117

3924

1195

357

322

1458

1008

451

632

96

273

5

201

Ferruginous Hawk

0

0

2

3

14

8

6

7

3

6

12

10

1

2

-

-

Rough-legged Hawk

13

7

2

57

23

1

2

20

0

1

0