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Location Seychelles, Mahé
Central coordinates 55o 22.00' East  4o 39.00' South
IBA criteria A1, A2
Area 60 ha
Altitude 0 - 135m
Year of IBA assessment 2001

Nature Seychelles

Site description Conception is a small island located less than 2 km west of the north-western coast of Mahé. Surrounded by a rocky coastline with cliffs, its steep slopes are entirely covered by dense woodland and thickets, growing over large boulders and crevasses. Until the mid-1970s it was exploited as a coconut plantation, but has since remained abandoned and uninhabited. There is no beach on which to land, no permanent surface fresh water and no paths, making it very inhospitable. Vegetation is dominated by the introduced species Cinnamomum verum, Anacardium occidentale, Cocos nucifera and Tabebuia pallida, but the endemics Phoenicophorium borsigianum and Allophylus sechellensis and the indigenous Canthium bibracteatum and Premna obtusifolia are well-represented in the undergrowth.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Seychelles Kestrel Falco araeus resident  1999  present  A1, A2  Vulnerable 
Seychelles Blue-pigeon Alectroenas pulcherrimus resident  1999  present  A2  Least Concern 
Seychelles White-eye Zosterops modestus resident  2005  244-366 individuals  unknown  A1, A2  Endangered 

Land use

Land-use Extent (% of site)
not utilised -

Other biodiversity Not well known. Mabuya sechellensis and Phelsuma astriata are abundant. Phelsuma longinsulae and Ailuronyx sechellensis have also been recorded. Marine life around the island appears very rich and includes the hawksbill turtle Eretmochelys imbricata (CR).

References Cheke (1984), Rocamora (1997a, b), Rocamora and François (2000).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Conception island. Downloaded from on 25/10/2014

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