The site was identified as internationally important for bird conservation in 2008 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Species |
Red List |
Season (year/s of estimate) |
Size |
IBA criteria |
Scarlet Ibis Eudocimus ruber |
LC |
resident (2005) |
5,000–10,000 birds |
A4i |
Grey Plover Pluvialis squatarola |
VU |
non-breeding (2005) |
5,000–10,000 birds |
A4i |
American Golden Plover Pluvialis dominica |
LC |
non-breeding (2005) |
5,000–10,000 birds |
A4i |
Semipalmated Plover Charadrius semipalmatus |
LC |
non-breeding (2005) |
10,000–25,000 birds |
A4i |
Whimbrel Numenius phaeopus |
LC |
non-breeding (2005) |
7,000–10,000 birds |
A4i |
Ruddy Turnstone Arenaria interpres |
NT |
non-breeding (2005) |
1,000–5,000 birds |
A4i |
Least Sandpiper Calidris minutilla |
NT |
non-breeding (2005) |
10,000–25,000 birds |
A4i |
Semipalmated Sandpiper Calidris pusilla |
NT |
non-breeding (2005) |
100,000–1,000,000 birds |
A4i |
Short-billed Dowitcher Limnodromus griseus |
VU |
non-breeding (2005) |
5,000–10,000 birds |
A4i |
Spotted Sandpiper Actitis macularius |
LC |
non-breeding (2005) |
1,000–5,000 birds |
A4i |
Solitary Sandpiper Tringa solitaria |
LC |
non-breeding (2005) |
1,000–5,000 birds |
A4i |
Willet Tringa semipalmata |
LC |
non-breeding (2005) |
1,000–5,000 birds |
A4i |
Lesser Yellowlegs Tringa flavipes |
VU |
non-breeding (2005) |
10,000–25,000 birds |
A4i |
Greater Yellowlegs Tringa melanoleuca |
NT |
non-breeding (2005) |
10,000–25,000 birds |
A4i |
Least Tern Sternula antillarum |
LC |
non-breeding (2005) |
2,500-9,999 birds |
A4i |
Yellow-billed Tern Sternula superciliaris |
LC |
breeding (2005) |
25,000–100,000 birds |
A4i |
Rufous Crab-hawk Buteogallus aequinoctialis |
NT |
resident (-) |
present |
A2 |
A4iii Species group - waterbirds |
n/a |
non-breeding (2005) |
100,000-499,999 birds |
A4iii |