Noun
important bird area (plural important bird areas)
(ornithology, conservation) An area recognised as requiring conservation and management due to its importance for the survival of bird species that are vulnerable to global extinction.
Christmas Island has been identified by BirdLife International as both an Endemic Bird Area and an Important Bird Area because it supports five endemic species and five subspecies as well as over 1% of the world populations of five other seabirds. Source: Internet
The islands have been identified by BirdLife International as an Important Bird Area because they support very large numbers of nesting seabirds. Source: Internet