Golden-browed Warbler (Basileuterus belli) [XC501795]
by Manuel Grosselet from Reserva de la Chara Pinta (Tufted Jay Preserve), Sinaloa, Mexico (call)
Golden-browed Warbler (Basileuterus belli) [XC501789]
by Richard E. Webster from Reserva de la Chara Pinta (Tufted Jay Preserve), Sinaloa, Mexico (call)
Subspecies
Affinities uncertain. Probably closest to Rufous-capped Warbler (Basileuterus rufifrons). Subspecies intergrade. Geographical variation to some extent clinal, upperparts tending to become duller and extent and width of black upper border to supercilium (lateral crownstripe) decreasing from north to south.
The following 5 subspecies are recognised:
bateli Moore, RT, 1946 - Western Mexico (south-eastern Sinaloa and western Durango south to Michoacán and México).
belli (Giraud, 1841) - Eastern Mexico (south-western Tamaulipas and eastern San Luis Potosí south to northern Oaxaca and central Veracruz).
clarus Ridgway, 1902 - Southern Mexico (southern Morelos, southern Michoacán, Guerrero and extreme western Oaxaca).
scitulus Nelson, 1900 - South-eastern Mexico (eastern Veracruz, eastern Oaxaca and Chiapas) south to western Honduras and north-western El Salvador.
BirdLife International Species Factsheet