Summary[edit] Description: Español: Chara pecho gris (Aphelocoma wollweberi) - vista en la Sierra de Guanajuato, México. Date: 17 September 2020, 14:05:42. Source: Own work. Author: Juan Carlos Fonseca Mata. Camera location21° 04′ 03.6″ N, 101° 08′ 14.3″ WView all coordinates using: OpenStreetMap 21.067667; -101.137306.