Green-backed Sparrow (Arremonops chloronotus) [XC879968]
by Manuel Grosselet - Benoit Larrouquis from PN Tikal, Pet\u00e9n, Guatemala (call)
Green-backed Sparrow (Arremonops chloronotus) [XC819214]
by Peter Boesman from Near Lamanai Outpost, Orange Walk District, Belize (song)
Subspecies
Relationships of genus not well understood; molecular evidence suggests that it is close to Rhynchospiza, Peucaea and some Ammodramus. Sometimes considered conspecific with Black-striped Sparrow (Arremonops conirostris), with which virtually sympatric in north-central Honduras, but differs significantly in juvenile plumage, size and vocalizations.
The following 2 subspecies are recognised:
chloronotus (Salvin, 1861) - Caribbean slope of south-eastern Mexico (from Tabasco and northern Chiapas east to southern Yucatán and Quintana Roo), northern and central Guatemala (Petén and Alto Verapaz), Belize and north-western Honduras.
twomeyi Monroe, 1963 - Yoro and Olancho Departments, in north-central Honduras.