Year Last Seen:

2011

Comments:

Although this species inhabited a region where there is a high level of observer awareness and searches in suitable habitat have been carried out by professional ornithologists, there have been no records since 2011. Extensive habitat loss has occurred in the region, and the remaining …

Year Last Seen:

2007

Comments:

Although this species inhabited a region where there is now a high level of observer awareness and searches in suitable habitat have been carried out by professional ornithologists, there have been no records since 2007. Extensive habitat loss has occurred in the region, and the …

Year Last Seen:

2004

Comments:

Endemic to the island of Maui, Hawaii, this species was first discovered in 1973. However, it declined rapidly between 1975 and 1985, predominantly due to invasive species and disease. By mid-1997 only three individuals remained. One was captured in 2004, but it died later that …

Year Last Seen:

1995

Comments:

There have been no records of the species since the mid-1990s despite extensive surveys in 2000, 2001, 2008 and 2009, its disappearance likely primarily due to large-scale vegetation clearance. It is therefore classified as Extinct.

Habitat:

It inhabited formerly disturbed areas vegetated by groves of …

Year Last Seen:

1989

Comments:

This species formerly occurred on the Hawaiian island of Kaua'i, USA, but the multitude of threats in the region have driven it Extinct. The last definite record dates from 1985 and targeted searches in 1995 and 1997 yielded no confirmed reports.

Habitat:

Originally inhabited forest …

Year Last Seen:

1987

Comments:

This species was known from the Hawaiian island of Kaua'i, USA, but it is now Extinct having been last seen in 1985 with one possible recording in 1987. Habitat destruction and invasive species were the major causes.

Habitat:

It was common in forests from sea …

Year Last Seen:

1987

Comments:

This species, endemic to San Cristóbal in Ecuador's Galápagos Islands, has not been recorded since the 1980s despite recent searches and is now considered extinct (Wiedenfeld 2006).

Habitat:

The species was previously found throughout the island of San Cristóbal and was likely similar in habits …

Year Last Seen:

1986

Comments:

This species was endemic to Lake Atitlán, Guatemala, but is now Extinct. Its extinction occurred sometime between 1983 and 1986, caused by myriad alterations to its habitat.

Habitat:

It inhabited one freshwater lake.

Causes:

Initial population declines were a result of competition and predation by …

Year Last Seen:

1985

Comments:

Thorough surveys of Lake Alaotra in 1989, and further surveys in 2004 and 2009 failed to find any evidence of the species. Multiple methods for determining the likelihood of extinction have used the sighting history of this species as a test dataset and each has …

Year Last Seen:

1983

Comments:

This species formerly occurred on Guam, but became Extinct in 1983. Predation by the introduced brown tree-snake was the cause of its extinction.

Habitat:

It inhabited forest.

Causes:

Its rapid decline to extinction was due to the depredations of introduced brown tree snake Boiga irregularis …