Night Snake
Hypsiglena torquata
Summary 4
Hypsiglena torquata, commonly known as the night snake, is a species of rear-fanged, colubrid. It is found throughout the southwestern and western United States, as well as in Mexico and British Columbia, Canada. The number of subspecies varies depending on the source, but it is generally accepted that there are 17.
Range description 5
The species' range extends from southern British Columbia, Idaho, Utah, Colorado, and Kansas southward through the southwestern United States to southern Baja California (including Isla Partida Norte, in the Gulf of California) and Guerrero in mainland Mexico, at elevations from near sea level to around 2,650 m asl (8,700 feet) (Stebbins 2003). Reports of occurrences as far south as Costa Rica (e.g., Ernst and Ernst 2003) are incorrect (Savage 2002).
Fuentes y créditos
- (c) 2011 Todd Pierson, algunos derechos reservados (CC BY-NC), http://calphotos.berkeley.edu/cgi/img_query?seq_num=390191&one=T
- (c) 1999 California Academy of Sciences, algunos derechos reservados (CC BY-NC-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=1077&one=T
- (c) Daniel G. Mulcahy, algunos derechos reservados (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=herps&irn=10168814
- (c) Wikipedia, algunos derechos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Hypsiglena_torquata
- (c) International Union for Conservation of Nature and Natural Resources, algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/28160575
