1999 Observation Data for All Migration Projects

This chart represents the observation totals from all established HawkWatch International migration field sites in 1999.  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.

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Diamond
Head
WA

Chelan
Ridge
WA

Bonney
Butte
OR

Rogers
Pass
MT

Bridger
Mts
MT

Goshute
Mts
NV

Jordanelle
Reservoir
UT

Wellsville
Mts
UT

Sandia
Mts
NM

Manzano
Mts
NM

Lipan
Point
AZ

Yaki
Point
AZ

Smith
Point
TX

Corpus
Christi
TX

Curry
Hammocks
FL

Veracruz*
MX

Year begun / total years

1993 / 7

1997 / 3

1994 / 6

1988 / 10

1991 / 9

1983 / 17

1997 / 3

1977 / 16

1985 / 15

1985 / 15

1991 / 9

1997 / 3

1997 / 3

1997 / 3

1999 / 1

1992 / 6

Start date

27-Aug

27-Aug

27-Aug

1-Mar

29-Aug

15-Aug

24-Feb

25-Aug

24-Feb

27-Aug

27-Aug

27-Aug

15-Aug

14-Aug

14-Sep

20-Aug

End date

24-Oct

27-Oct

28-Oct

31-Mar

31-Oct

5-Nov

2-May

31-Oct

3-May

5-Nov

5-Nov

5-Nov

12-Nov

15-Nov

29-Oct

20-Nov

Observation days

57

61

63

29

64

82

65

59

66

70

71

71

89

90

46

93

Observation hours

392.75

504.33

416.00

225.90

358.24

748.08

439.50

407.83

516.92

553.77

546.70

543.20

696.68

719.75

386.50

?

Raptors / 100 hours

358.2

571.2

993.5

593.6

871.8

3003.3

969.7

1044.8

688.9

873.1

1151.8

997.8

6794.7

95451.9

4002.6

?

SPECIES

RAW COUNTS BY SPECIES

Black Vulture

-

-

-

-

-

-

-

-

-

-

-

-

341

1398

-

-

Turkey Vulture

107

21

349

0

2

349

1202

28

1427

637

75

76

1295

30027

2050

1474797

Osprey

11

47

74

0

9

110

190

21

67

14

72

28

54

181

766

3366

Northern Harrier

21

167

49

8

52

356

80

487

62

69

130

56

537

331

766

495

Hook-billed Kite

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

180

Swallow-tailed Kite

-

-

-

-

-

-

-

-

-

-

-

-

52

31

6

120

White-tailed Kite

-

-

-

-

-

-

-

-

0

0

0

0

18

6

-

-

Mississippi Kite

-

-

-

-

-

-

-

-

0

0

0

0

2975

5513

22

127998

Sharp-shinned Hawk

623

932

1660

11

442

8094

357

901

386

1212

1427

1906

3896

1348

4300

5937

Cooper’s Hawk

238

232

331

0

149

4109

535

577

670

1069

1515

1204

1207

1092

345

2646

Northern Goshawk

16

50

36

3

61

103

3

16

3

14

6

1

-

1

-

-

Unidentified accipiter

46

248

155

1

39

132

103

20

30

51

185

109

113

310

65

37

Harris’ Hawk

-

-

-

-

-

-

-

-

-

-

-

-

0

28

-

0

Red-shouldered Hawk

-

-

2

-

-

0

-

-

-

-

0

0

34

77

28

10

Broad-winged Hawk

0

5

75

0

13

59

7

7

2

12

11

14

34243

640258

1363

1744763

Swainson’s Hawk

0

17

1

0

3

334

115

155

45

194

40

32

129

1246

27

581419

White-tailed Hawk

-

-

-

-

-

-

-

-

-

-

-

-

2

13

-

0

Zone-tailed Hawk

-

-

-

-

-

-

-

-

2

0

0

1

0

6

-

130

Short-tailed Hawk

-

-

-

-

-

-

-

-

-

-

-

-

0

2

13

0

Red-tailed Hawk

225

450

932

30

121

5183

882

1089

220

733

1401

985

204

282

1

200

Ferruginous Hawk

0

0

1

3

4

25

7

13

7

8

7

11

2

14

-

0

Rough-legged Hawk

2

44

21

15

77

50

5

2

0

1

0

0

2

4

-

-

Unidentified buteo

3

148

58

2

3

24

45

23

15

5

17

13

31

62

1

60064

Golden Eagle

46

141

176

1129

1870

348

87

245

304

159

29

2

1

4

-

0

Bald Eagle

3

7

53

115

91

31

248

2

18

3

24

17

2

4

2

1

Unknown eagle

0

7

2

19

5

0

18

0

2

0

4

1

0

1

0

0

Crested Caracara

-

-

-

-

-

-

-

-

-

-

-

-

4

18

-

-

American Kestrel

35

89

30

0

113

2974

314

600

198

525

1218

918

1938

483

3519

14872

Merlin

20

36

83

2

8

74

11

13

15

14

13

14

47

34

665

261

Prairie Falcon

1

7

8

1

20

33

7

28

18

38

2

6

0

33

-

-

Peregrine Falcon

3

9

5

0

18

15

10

24

56

64

8

8

85

241

1401

957

Aplomado Falcon

-

-

-

-

-

-

-

-

-

-

-

-

-

1

-

0

Gyrfalcon

-

-

-

0

1

-

-

-

-

-

-

-

-

-

-

-

Unidentified falcon

0

6

0

0

6

7

5

6

4

2

6

2

9

92

116

18

Unidentified raptor

7

218

32

2

16

57

31

4

10

11

107

16

116

3874

14

58881

Total

1407

2881

4133

1341

3123

22467

4262

4261

3561

4835

6297

5420

47337

687015

15470

4077152

Diamond
Head
WA

Chelan
Ridge
WA

Bonney
Butte
OR

Rogers
Pass
MT

Bridger
Mts
MT

Goshute
Mts
NV

Jordanelle
Reservoir
UT

Wellsville
Mts
UT

Sandia
Mts
NM

Manzano
Mts
NM

Lipan
Point
AZ

Yaki
Point
AZ

Smith
Point
TX

Corpus
Christi
TX

Curry
Hammocks
FL

Veracruz*
MX

* Data provided by our project partner Pronatura Veracruz.