Rank

Island Name

Species

Breeding Pairs

Ratio

Year

Contributor

Threats

Contributor

1

Salt Pond

Gull-billed Tern

14

0.056

1989

BUD

Rats

BUD

2

Sombrero

Brown Booby

386

0.055

2005

HDA

Invasives, Development

HDA

3

S/SW Pedro

Masked Booby

38

0.051

2005

ASU

Invasives, Humans

ASU

4

Dutchcap

Brown Pelican

100

0.042

1996

JPI

Rats

JPI

5

St. Giles

Audubon's Shearwater

100

0.037

2000

BNR

Invasives, Humans

BNR

6

Aves

Sooty Tern

10000

0.032

2005

LTO

Rats

LTO

7

Sombrero

Bridled Tern

270

0.030

2005

HDA

Invasives, Development

HDA

8

Martinique Mainland

Red-billed Tropicbird

50

0.029

1998

DSL

Invasives

DSL

9

Aves

Cayenne Tern

100

0.026

1999

BAS

Rats

BAS

10

Culebra (Flamenco)

Sooty Tern

8000

0.025

2005

JES

Rats

JES

11

Sevilla

Brown Pelican

60

0.025

1998

JRB

Invasives

JRB

12

San Lorenzo Bay

Magnificent Frigatebird

150

0.025

1962

DSL

Invasives

DSL

13

St. Giles

Red-footed Booby

402

0.024

2000

BNR

Invasives, Humans

BNR

14

Carmichael Pond

Gull-billed Tern

6

0.024

1989

BUD

Rats

BUD

15

Dutchcap

Brown Booby

150

0.021

1996

JPI

Rats

JPI

16

Carval Rock

Roseate Tern

77

0.021

1992

JPI

Rats

JPI

17

S/SW Pedro

Magnificent Frigatebird

115

0.019

2005

ASU

Invasives, Humans

ASU

18

Allan's

Audubon's Shearwater

50

0.019

2003

WAM

Mice

WAM

19

St. Giles

Magnificent Frigatebird

108

0.018

2000

BNR

Invasives, Humans

BNR

20

Kick-em-Jenny

Magnificent Frigatebird

100

0.016

1956

BON

Invasives?

BON

21

Anegada

Gull-billed Tern

4

0.016

2005

MGO

Invasives

MGO

22

Anegada

Sandwich Tern

25

0.016

2005

MGO

Invasives

MGO

23

S/SW Pedro

Brown Booby

100

0.014

2005

ASU

Invasives, Humans

ASU

24

Burma Quarry

Roseate Tern

50

0.014

1999

JES

Invasives

JES

25

Antigua

Roseate Tern

50

0.014

1984

VHN

Invasives

VHN