• 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'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
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	LC	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	LC	winter	2006	800-1,200 individuals	A4i
Ruddy Turnstone Arenaria interpres	LC	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	LC	unknown	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	LC	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	LC	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

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2007).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
La Ensenada (mixto)	Refugio de Vida Silvestre	484	protected area overlaps with site	0
Estero Puntarenas y manglares	Humedal	5,173	protected area overlaps with site	0
Cipanci (estatal)	Refugio de Vida Silvestre	3,492	protected area is adjacent to site	0

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Forest	Mangrove	-

For more information about the IUCN Habitat classification, please click here.

---

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Nicoya Gulf mangroves and coastal areas. Downloaded from http://datazone.birdlife.org/site/factsheet/nicoya-gulf-mangroves-and-coastal-areas-iba-costa-rica on 02/12/2023.