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The site was identified as internationally important for bird conservation in 2011 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 List	Season (year/s of estimate)	Size	IBA criteria
Eurasian Eagle-owl Bubo bubo	LC	resident (2000)	min 11 pairs	C6
Egyptian Vulture Neophron percnopterus	EN	breeding (2008)	9–11 pairs	A1, C1, C2, C6
Golden Eagle Aquila chrysaetos	LC	resident (2008)	8–9 pairs	C6
Bonelli's Eagle Aquila fasciata	LC	resident (2009)	1 pairs	C6
Peregrine Falcon Falco peregrinus	LC	resident (2008)	6–7 pairs	C6
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	resident (2000)	min 150 pairs	B2, C2, C6

Year	Protected Area	Designation (management category)	% coverage of IBA
2003	Obarenes-Sierra de Cantabria	Zona de Especial Conservación de Importancia Comunitaria (V)	10
2006	Montes Obarenes-San Zadornil	Parque Natural (V)	36

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	35	Arable land; Perennial crops, orchards and groves
Shrubland	35	Scrub; Sclerophyllous scrub, garrigue and maquis
Forest	30	Broadleaved deciduous woodland; Alluvial and very wet forest; Broadleaved evergreen woodland
Rocky areas (eg. inland cliffs, mountain peaks)	10	Inland cliffs

Land use	% of IBA
hunting	65
agriculture	35
other	30
not utilised	14
forestry	7

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Obarenes mountains (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/obarenes-mountains-iba-spain on 23/12/2024.