Oronsay and South Colonsay (United Kingdom)

UK331

Oronsay and South Colonsay

Current view: Data table and detailed info

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') at the site:

Species	Red List¹	Season	Year(s)	Size	IBA criteria
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	breeding	2001-2004	4 breeding pairs	B2, C6

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

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2007	not assessed	low	medium
Whole site assessed?	State assessed by	Accuracy of information
yes	unset	good

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
No known threats	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A management plan exists but it is out of date or not comprehensive	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
-	Oronsay	RSPB Reserve	27
1971	Oronsay and South Colonsay	Site of Special Scientific Interest (UK)	83
1997	Oronsay	Nature Reserve	27
2003	Oronsay	Site of Community Importance (Habitats Directive)	17
2010	Oronsay and South Colonsay	Special Protection Area (Birds Directive)	100

Habitats

Habitat¹	Habitat detail	% of IBA
Artificial/Terrestrial	Arable land	major (>10)
Marine Coastal/Supratidal		major (>10)
Grassland		minor (<10)
Marine Intertidal		-

1. IUCN Habitat classification.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Oronsay and South Colonsay (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/oronsay-and-south-colonsay-iba-united-kingdom on 23/11/2024.