email a friend
printable version
Location British Indian Ocean Territory
Central coordinates 71o 33.00' East  6o 9.00' South
IBA criteria A4i, A4iii
Area 8 ha
Altitude 0 - 6m
Year of IBA assessment 2004


Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Sooty Tern Onychoprion fuscatus breeding  2004  12,500 breeding pairs  good  A4i  Least Concern 
A4iii Species group - waterbirds breeding  2004  20,000-49,999 individuals  unknown  A4iii   


IUCN habitat Habitat detail Extent (% of site)
Coastline   -

Contribute  Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.

Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Middle Brother, Chagos Bank. Downloaded from on 24/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife