White-eared Ground Sparrow (Melozone leucotis) [XC334217]
by Johan Chaves from Limonar, near El Triunfo, Chiapas, Mexico (duet, interaction duet)
White-eared Ground Sparrow (Melozone leucotis) [XC107338]
by Richard E. Webster from Hotel Bougainvillea, San Jose, Costa Rica (song)
Subspecies
The following 3 subspecies are recognised:
occipitalis (Salvin, 1878) - Pacific coast of southern Mexico (Chiapas), Guatemala and El Salvador (Volcán de San Salvador). Considered by some authors to be a distinct species, Grey-crowned Ground-sparrow (Melozone occipitalis).
nigrior Miller, W & Griscom, 1925 - North-central highlands of Nicaragua.