Fan-tailed Warbler (Basileuterus lachrymosus) [XC223011]
by Frank Lambert from Cerro de San Juan, Nayarit, Mexico (song)
Fan-tailed Warbler (Basileuterus lachrymosus) [XC291705]
by Jesper Bay Jacobsen from Parque Nacional El Imposible, El Salvador, El Salvador (song)
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.