• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

The site was identified as important in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Mangrove Hummingbird Amazilia boucardi	EN	breeding	2006	1,000-2,499 individuals	A1
Tricolored Heron Egretta tricolor	LC	resident	2006	800-1,200 individuals	A4i
Grey Plover Pluvialis squatarola	VU	resident	2006	1,500-2,000 individuals	A4i
Semipalmated Plover Charadrius semipalmatus	LC	breeding	2006	1,500-1,800 individuals	A4i
Collared Plover Charadrius collaris	LC	resident	2006	300-500 individuals	A4i
Whimbrel Numenius phaeopus	LC	winter	2006	250-999 individuals	A4i
Marbled Godwit Limosa fedoa	VU	winter	2006	800-1,200 individuals	A4i
Ruddy Turnstone Arenaria interpres	NT	winter	2006	2,000-3,000 individuals	A4i
Red Knot Calidris canutus	NT	winter	2006	300-500 individuals	A4i
Surfbird Calidris virgata	LC	winter	2006	400-700 individuals	A4i
Sanderling Calidris alba	LC	winter	2006	2,000-3,000 individuals	A4i
Least Sandpiper Calidris minutilla	NT	passage	2006	5,000-10,000 individuals	A4i
Western Sandpiper Calidris mauri	LC	winter	2006	10,000-19,999 individuals	A4i
Short-billed Dowitcher Limnodromus griseus	VU	winter	2006	1,000-1,500 individuals	A4i
Spotted Sandpiper Actitis macularius	LC	winter	2006	1,500-2,000 individuals	A4i
Wandering Tattler Tringa incana	LC	winter	2006	50-100 individuals	A4i
Willet Tringa semipalmata	LC	winter	2006	2,000-2,500 individuals	A4i
Greater Yellowlegs Tringa melanoleuca	NT	winter	2006	800-1,100 individuals	A4i
Royal Tern Thalasseus maximus	LC	resident	2006	500-1,000 individuals	A4i
A4iii Species group - waterbirds	n/a	winter	2006	20,000-49,999 individuals	A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.

Year	Protected Area	Designation	% overlap with IBA
1998	La Ensenada (mixto)	Refugio de Vida Silvestre	1
2001	Estero Puntarenas y manglares	Humedal	8

Habitat1	Habitat detail	% of IBA
Forest	Mangrove	-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nicoya Gulf mangroves and coastal areas (Costa Rica). Downloaded from https://datazone.birdlife.org/site/factsheet/nicoya-gulf-mangroves-and-coastal-areas-iba-costa-rica on 23/11/2024.