Arenal Hill

IBA Justification

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
Highland Guan Penelopina nigra VU unknown 2000-2006 < 50 individuals A1, A2
Great Curassow Crax rubra VU unknown 2000-2006 < 50 individuals A1
Green-breasted Mountain-gem Lampornis sybillae LC resident 2000-2006 unknown A2
Resplendent Quetzal Pharomachrus mocinno NT breeding 2000-2006 < 50 individuals A1
Three-wattled Bellbird Procnias tricarunculatus VU breeding 2000-2006 50-249 individuals A1, A2
Rufous-browed Wren Troglodytes rufociliatus LC resident 2007 unknown A2

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

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Zona de Amortiguamiento ( C. Arenal) Reserva Natural 809 protected area overlaps with site 0
Cerrol El Arenal National Resource/s Reserve 554 is identical to site 554
Cerro El Arenal Reserva Natural 1,428 protected area overlaps with site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Pine, Pine-oak -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
nature conservation and research -
rangeland/pastureland -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Arenal Hill. Downloaded from on 02/10/2023.