email a friend
printable version
Location British Indian Ocean Territory
Central coordinates 71o 35.00' East  6o 10.00' South
IBA criteria A4i, A4iii
Area 23 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
Brown Noddy Anous stolidus breeding  2004  6,100 breeding pairs  good  A4i  Least Concern 
Lesser Noddy Anous tenuirostris breeding  2004  7,300 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: South Brother, Chagos Bank. Downloaded from on 22/10/2016

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