Kirtland's warbler [SEP] IUCN conservation status
under the Endangered Species Act of 1973, and was proposed to be removed from the Federal List of Endangered and Threatened Wildlife in 2018. Although there seem to be no more than 5,000 Kirtland's warblers as of late 2007, four years earlier they had numbered just 2500–3000. On the IUCN "Red List of Threatened Species," the Kirtland's warbler was classified as vulnerable to extinction since 1994, but was downlisted to near threatened in 2005 due to its encouraging recovery. The birds depend on Bahamas feeding during winter. Changes
the Maricao State Forest. An IUCN assessment of the elfin woods warbler, prepared in 2000, estimated a stable population of 600 mature individuals. More recently the population has been estimated to comprise at least 1800 mature individuals, a figure which equates to at least 2700 individual birds.
Status and conservation Threats.
The survival of the elfin woods warbler faces two main threats, predation and the destruction or alteration of suitable habitat. Confirmed native predators are the pearly-eyed thrasher ("Margarops fuscatus"), the Puerto Rican