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Avalon Sea Watch
 
 

The 1998 season marked the sixth year for CMBO's full-time seabird migration study at Avalon in Cape May County. The Avalon Sea Watch, a count of migrating seabirds, is conducted from an observation point overlooking the ocean at the north end of Avalon at 7th Street. This site was chosen because the northern tip of Avalon juts a mile farther out into the ocean than the coastline to the north. And so, southbound seabirds that are following the coastline pass very close to this beachfront. Birds are counted seven days per week, from dawn to dusk, from September 22 to December 15.

The migration of seabirds along the coast of New Jersey is spectacular, and over one million seabirds pass the Avalon Sea Watch from August through January of any year. As amazing as those numbers are, the bulk of this flight is extremely contracted. Two years ago in 1997, 70 percent (552,000) of all the migrant seabirds recorded passed in five weeks (from October 7 to November 13). 1998 totals for all key species were not yet available for this publication, but will be shared with members in future publications.

One can hardly imagine a better team than we had this year: Bill Seng, Fred Mears, Dave Ward and Gail Dwyer. The "BIG" event at the sea watch this year was 43 Franklin's Gulls seen in mid-November. Until that point, there had only been 12 accepted records of the species in the state! A preliminary analysis of the count at the sea watch brought us to 893,982 seabirds passing, and 1,228 visitors stopping in to enjoy the flight. Leica Sports Optics joined us as supporters of the Avalon Sea Watch in 1998.

--Joan Walsh, Director of Research


AVALON SEA WATCH

Six-Year Summary

Official Count Period September 22 through December 15

SELECTED SPECIES

1993

1994

1995

1996

1997

1998

Red-throated loon

53,206

53,865

58,881

55,175

65,994

72,861

Common loon

3,231

4,778

4,818

5,026

4,021

5,091

Double-crested cormorant

146,387

165,991

209,283

240,670

186,510

212,320

Northern gannet

24,843

63,498

53,019

49,791

53,387

78,866

Canada goose

1,379

12,206

6,979

6,144

6,817

12,025

Green-winged teal

4,747

7,419

7,995

8,423

3,698

10,800

White-winged scoter

2,656

3,526

6,126

3,358

4,838

5,633

Surf scoter

64,050

88,492

191,804

182,965

85,415

126,559

Black scoter

43,571

56,053

156,005

118,773

119,060

133,508

"Dark-winged" scoter

47,281

73,135

95,374

160,828

112,909

133,121

Unidentified scoter

43,030

10,321

1,269

7,504

14,951

125

Scoter total

200,588

231,527

450,578

473,428

337,173

398,946

GRAND TOTAL (all species)

493,290

622,270

959,653

989,981

762,825

893,982

 

Additional noteworthy sightings in 1998:

4 Common Eider (11/29), 1 King Eider (11/26), 1 Iceland Gull (11/26), 6436 Red-throated Loon (11/29), Parasitic Jaeger, 1 Pomarine Jaeger (10/7), 2 Red-necked Grebe (1 on 10/23 and 1 on 11/29), 1 Razorbill (10/27), and 2 Short-eared Owls (1 on 10/23 and 1 on 10/24).


Avalon Sea Watch 1996 - Totals as of 12/15/96

SPECIES

PEAK #

PEAK DATE

TOTAL

6/96 - 12/15/96

Red-Th. Loon

8,262

11/14

55,174

Common Loon

687

10/31

5,078

Horned grebe

60

11/14

295

Red-n grebe

2

10/20, 11/4, 11/24

15

N. gannet

5,612

11/6

49,881

Br. pelican

15

09/16, 09/21

128

Gr. Corm.

7

10/11

61

Dbl-cr. Corm.

18,782

10/15

252,209

Gt. Bl. Heron

175

11/14

1,585

Snow goose

2,748

10/10

10,147

Brant

2,267

11/4

12,987

Green-wing. teal

3,197

10/27

8,533

Am. Blk. duck

488

11/14

3,963

Common eider

26

11/14

106

King eider

2

11/14

5

Oldsquaw

442

12/9

4,159

Blk. scoter

15,619

11/6

118,904

Surf scoter

32,559

10/18

182,979

"dark-w" scoter (sp.)

27,681

11/2

160,911

White-w scoter

265

11/14

3,358

Red-br. Merg

819

11/7

4,297

Pom. jaeger

1

10/11, 10/20

2

Parasitic jaeger

20

11/5

150

Blk. kittiwake

57

11/19

200

Razorbill

2

12/3

5

White Pelican

4

11/3

5

Dovekie

1

12/1

1

Grand Total

66,159

11/2

1,001,442

Additional Noteworthy Seabird Sightings: 1 Northern Fulmar (9/22); 31 Cory's Shearwaters (5 in June and 26 in July); 2 Audubon's Shearwaters (7/23); 101 Wilson's Storm-Petrel (1 in June and 100 in July); 4 American White Pelican (1 on 10/5 and 4 on 11/3); 1 White Ibis (9/23); 1 Harlequin Duck (11/7); 2 Sandhill Cranes (10/26); 1 Franklin's Gull (11/2); 3 Little Gulls (11/17 and 2 on 11/26); 2 Black-headed Gull (11/14 and 11/26); 1 Iceland Gull (12/14); 1 Lesser Black-backed Gull (10/20); 1 Glaucous Gull (11/28); 4 Sandwich Terns (7/25, 8/11, 9/12 and 10/2); 7 roseate Terns (5 in July including 4 on 7/22, 2 on 8/5); 1 Sooty Tern (9/7), 1 Dovekie (12/1); unid. Murre (11/7); and 1 Black Guillemot (11/25).

Other Sightings of Note: 2 Ruddy Shelducks (11/13); 8 Bald Eagles (1 on 10/4, 1 on 10/10, 4 on 10/11, 1 on 10/21, and 1 on 11/12); 3 American Golden Plover (10/9, 10/18, 10/19); 1 Hudsonian Godwit (10/10); 2 Marbled Godwits (9/16), and 1 Short-eared Owl (11/1).


Avalon Sea Watch 1995

SPECIES

PEAK #

PEAK DATE

TOTAL

7/95 - 11/95

Red-Th. Loon

6,693

11/20

47,221

Common Loon

567

11/08

4,728

Horned grebe

41

11/18

305

Red-n grebe

2

11/06

6

N. gannet

2,977

11/08

46,165

Br. pelican

17

09/26

189

Gr. Corm.

9

11/05

86

Dbl-cr. Corm.

17,029

10/23

214,442

Gt. Bl. Heron

221

10/17

1,339

Snow goose

1,941

10/30

6,577

Brant

3,915

10/30

13,242

Green-wd. teal

2,127

10/31

8,376

Am. Blk. duck

647

10/30

3,491

Common eider

10

11/25

45

King eider

3

10/03

10

Oldsquaw

648

11/24

2,265

Blk. scoter

36,816

10/31

153,228

Surf scoter

33,255

10/31

188,161

"dark-w" scoter (sp.)

15,529

10/31

95,751

White-w scoter

961

11/23

4,040

Red-br. Merg

410

11/25

3,630

Pom. jaeger



2

Parasitic jaeger

16

11/08

158

Blk. kittiwake



2

Blk. tern



72

Razorbill

1

10/31

1

Grand Total

101,742

10/31

888,829

Additional seabird sightings: 16 Cory's, 2 sooty, and 1 Audubon's shearwater, 459 Wilson's storm-petrel, 1 Leach's storm-petrel, 1 Ross' goose, 1 black brant (10/26), 1 long-tailed jaeger (10/20), 1 California gull (10/29), 3 lesser bl.-backed gulls, 1 Franklin's gull (10/15), 4 sandwich terns, 4 roseate terns, 1 arctic tern (10/20), 2 dovekie (11/17 & 11/18), and 1 Atlantic puffin (11/27).

Other Sightings: 1,048 monarchs, 14 short-eared owls (1 in Oct., 13 in Nov.)

 

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