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This last confirmed breeding record of this species was in 1937, and it has not been reported since 1988. It may have gone extinct as a result of habitat destruction both on the breeding and wintering grounds. However, it cannot yet be presumed to be Extinct until all remnant patches of possible breeding habitat have been searched, and unconfirmed reports have been followed up. Any remaining population is likely to be tiny, and for these reasons it is treated as Critically Endangered (Possibly Extinct).
AOU. 1998. Check-list of North American birds. American Ornithologists' Union, Washington, D.C.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
Stotz, D. F.; Fitzpatrick, J. W.; Parker, T. A.; Moskovits, D. K. 1996. Neotropical birds: ecology and conservation. University of Chicago Press, Chicago.
12 cm. Delicate warbler with slender, decurved bill. Adult male, black forecrown, grey hind-crown and nape, yellow forehead, eye-ring, lores, supercilium and throat. Yellow underparts with black patch on upper breast and white undertail. Olive-green upperparts, grey wings with olive fringes and yellow lesser coverts, grey tail with white spots on inner webs of all but central rectrices. First-year male, duller with indistinct black breast patch and no black forecrown. Adult female, duller with whitish eye-ring, no black and less well marked head. First year female, even duller and paler below. Juvenile, brownish, buffy-yellow below, whiter on throat, two buffy wing-bars. Similar spp Hooded Warbler Wilsonia citrina differs from female by bill, eye-ring, and grey crown contrasting with nape and forehead. Voice Song a buzzy, pulsating, insect-like trill, sometimes given in song flight. Call a low, hissing zee e eep.
Collar, N. J.; Gonzaga, L. P.; Krabbe, N.; MadroÃ±o Nieto, A.; Naranjo, L. G.; Parker, T. A.; Wege, D. C. 1992. Threatened birds of the Americas: the ICBP/IUCN Red Data Book. International Council for Bird Preservation, Cambridge, U.K.
Curson, J.; Quinn, D.; Beadle, D. 1994. New World warblers. A&C Black/Christopher Helm, London.
Hamel, P. B. 1995. Bachman's Warbler (Vermivora bachmani). In: Poole, A.; Gill, F. (ed.), The birds of North America, No. 150, pp. 1-16. The Academy of Natural Sciences, and The American Ornithologists' Union, Philadelphia, and Washington, DC.
Pulliam, B. 2010. Phantom Followup: Bachman"s Warbler. Available at: http://bbill.blogspot.co.uk/2010/10/phantom-followup-bachmans-warbler.html. (Accessed: 03/10/2013).
Further web sources of information
Text account compilers
Bird, J., Butchart, S., Pople, R., Sharpe, C J & Symes, A.
Budney, G. & Rosenberg, K.
BirdLife International (2016) Species factsheet: Vermivora bachmanii. Downloaded from http://www.birdlife.org on 27/09/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 27/09/2016.
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|Current IUCN Red List category||Critically Endangered - Possibly Extinct|
|Family||Parulidae (New World warblers)|
|Species name author||(Audubon, 1833)|
|Population size||1-49 mature individuals|
|Distribution size (breeding/resident)||1 km2|
|Links to further information|
|- Additional Information on this species|