The site was identified as internationally important for bird conservation in 2007 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 |
Mangrove Hummingbird Amazilia boucardi |
EN |
breeding (2006) |
1,000-2,499 birds |
A1 |
Tricolored Heron Egretta tricolor |
LC |
resident (2006) |
800–1,200 birds |
A4i |
Grey Plover Pluvialis squatarola |
VU |
resident (2006) |
1,500–2,000 birds |
A4i |
Semipalmated Plover Charadrius semipalmatus |
LC |
breeding (2006) |
1,500–1,800 birds |
A4i |
Collared Plover Charadrius collaris |
LC |
resident (2006) |
300–500 birds |
A4i |
Whimbrel Numenius phaeopus |
LC |
winter (2006) |
250-999 birds |
A4i |
Marbled Godwit Limosa fedoa |
VU |
winter (2006) |
800–1,200 birds |
A4i |
Ruddy Turnstone Arenaria interpres |
NT |
winter (2006) |
2,000–3,000 birds |
A4i |
Red Knot Calidris canutus |
NT |
winter (2006) |
300–500 birds |
A4i |
Surfbird Calidris virgata |
LC |
winter (2006) |
400–700 birds |
A4i |
Sanderling Calidris alba |
LC |
winter (2006) |
2,000–3,000 birds |
A4i |
Least Sandpiper Calidris minutilla |
NT |
passage (2006) |
5,000–10,000 birds |
A4i |
Western Sandpiper Calidris mauri |
LC |
winter (2006) |
10,000-19,999 birds |
A4i |
Short-billed Dowitcher Limnodromus griseus |
VU |
winter (2006) |
1,000–1,500 birds |
A4i |
Spotted Sandpiper Actitis macularius |
LC |
winter (2006) |
1,500–2,000 birds |
A4i |
Wandering Tattler Tringa incana |
LC |
winter (2006) |
50–100 birds |
A4i |
Willet Tringa semipalmata |
LC |
winter (2006) |
2,000–2,500 birds |
A4i |
Greater Yellowlegs Tringa melanoleuca |
NT |
winter (2006) |
800–1,100 birds |
A4i |
Royal Tern Thalasseus maximus |
LC |
resident (2006) |
500–1,000 birds |
A4i |
A4iii Species group - waterbirds |
n/a |
winter (2006) |
20,000-49,999 birds |
A4iii |