Calf of Eday (United Kingdom) - BirdLife IBA factsheet

UK132

Calf of Eday

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
Great Black-backed Gull Larus marinus	LC	breeding	1996	940 breeding pairs	B3

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	very unfavourable	very high	low
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
Great Black-backed Gull Larus marinus	940	100	breeding pairs	11	very unfavourable
A4iii Species group - seabirds	10,688	7,983	breeding pairs	75	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%)	moderate to rapid deterioration	very high
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high

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	Unknown	Not assessed	low

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
1983	Calf of Eday	Site of Special Scientific Interest (UK)	100
1997	Calf of Eday	Special Protection Area (Birds Directive)	100
2011	Calf of Eday	Marine Protected Area (OSPAR)	14

Habitats

Habitat¹	Habitat detail	% of IBA
Grassland	Humid grasslands	-
Marine Coastal/Supratidal		-
Shrubland	Heathland	-
Wetlands (inland)	Standing freshwater	-

1. IUCN Habitat classification.

Land use

Land use	% of IBA
agriculture	-

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Calf of Eday (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/calf-of-eday-iba-united-kingdom on 23/11/2024.