Rufous-collared Sparrow was created in 1776.

White crowned sparrow is the closet relative, but others are the golden crowned sparrow and the Harris' sparrow.

John Patrick Hubbard has written:

'Geographic variation in non-California populations of the rufous-crowned sparrow' -- subject(s): Bird populations, Birds, Rufous-crowned sparrow

'Notes on voles (Microtus, famaily Cricetidae) in New Mexico' -- subject(s): Muridae, Voles

'Check-list of the birds of New Mexico' -- subject(s): Birds

'Notes on northern Mexican birds' -- subject(s): Birds, Identification

'The summer birds of the Gila Valley, New Mexico' -- subject(s): Birds

Some species, like the white crowned and white throated migrate, others, like the song sparrow, do not.

Some species, like the white crowned and white throated migrate, others, like the song sparrow, do not.