Major breeding populations of the Lesser Frigatebird are found in tropical waters of the Indian and Pacific Ocean (excluding the east Pacific), as well as one population in the South Atlantic (Trinidade and Martim Vaz, Brazil
). Outside the breeding season it is sedentary, with immature and non-breeding individuals dispering throughout tropical seas, especially of the Indian and Pacific Oceans (del Hoyo et al.
. Rights Holder
: International Union for Conservation of Nature and Natural ResourcesBibliographic Citation
: BirdLife International 2012. Fregata ariel
. In: IUCN 2014 . IUCN Red List of Threatened Species. Version 2014.1 . <www.iucnredlist.org