Fan-tailed Warbler (Basileuterus lachrymosus) [XC353552]
by Micah Riegner from Arroyo La Aduana, \u00c1lamos, Sonora, Mexico (call)
Fan-tailed Warbler (Basileuterus lachrymosus) [XC773701]
by Tom Ford-Hutchinson from Finca Familia Barrientos, San Antonio de Oriente, Departamento de Francisco Moraz\u00e1n, Honduras (call)
Subspecies
Affinities uncertain. Generally considered closest to Basileuterus, and genus sometimes subsumed in latter; in bill shape and long, graduated tail resembles Icteria, but this may be due to convergence. Paler birds in north of range described as subspecies tephra and darker ones in southern as schistacea, but differences are clinal and naming of subspecies appears unwarranted.
The following 3 subspecies are recognised:
tephrus (Ridgway, 1902) - Western Mexico.
schistaceus (Dickey & van Rossem, 1926) - South-western Mexico.
lachrymosus Bonaparte, 1850 - Tropical western Mexico (south-eastern Sonora) to north-central Nicaragua.