Hill of Colvadale and Sobul (United Kingdom)

UK160

Hill of Colvadale and Sobul

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
Whimbrel Numenius phaeopus	LC	breeding	1994	23 breeding pairs	C7
Arctic Jaeger Stercorarius parasiticus	LC	breeding	2001	54 breeding pairs	C7

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	near favourable	very high	negligible
Whole site assessed?	State assessed by	Accuracy of information
yes	population	good

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Arctic Jaeger Stercorarius parasiticus	77	54	breeding pairs	71	near favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Climate change and severe weather	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Some of site covered (10-49%)	Unknown	Not assessed	negligible

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
1987	Hill of Colvadale and Sobul	Site of Special Scientific Interest (UK)	51
1990	Skeo Taing to Clugan	Site of Special Scientific Interest (UK)	<1

Habitats

Habitat¹	Habitat detail	% of IBA
Grassland		-
Shrubland	Heathland	-
Wetlands (inland)	Fens, transition mires and springs	-

1. IUCN Habitat classification.

Land use

Land use	% of IBA
agriculture	100

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Hill of Colvadale and Sobul (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/hill-of-colvadale-and-sobul-iba-united-kingdom on 24/11/2024.