-
Ziswiler V (2002). "Molecular
systematics and
phylogeny of Old and New
World ratsnakes,
Elaphe auct., and
related genera (Reptilia, Squamata, Colubridae)" (PDF)...
-
American ratsnakes (Pantherophis
obsoletus complex)".
Rutgers Newark,
Earth &
Environmental Science. "Pantherophis Fitzinger, 1843—North
American Ratsnakes"....
-
North American Ratsnakes (Pantherophis
obsoletus Complex)".
Herpetological Review. 52 (3): 537–547 – via
Semantic Scholar. "Eastern
Ratsnake: Pantherophis...
-
Nocturnal Behaviour in Snakes:
Experimental Examination of Why and How with
Ratsnakes (
Elaphe Obsoleta) and
Racers (
Coluber Constrictor).”
Canadian Journal...
- with dark
edges on
several dorsal scales. As they mature,
rhinoceros ratsnakes change color to
steel grey at
about 12–14 months, then to a
bluish green...
- Lipsiæ:
Sumptibus Guilielmi Engelmann.
Kevin Stevens (1995). "The
European Ratsnakes of the
Genus Elaphe".
British Herpetological Society Bulletin (59): 10–20...
- eat
other small reptiles and amphibians. ****ually
mature female Persian ratsnakes lay
clutches of 4–8 eggs,
which hatch after 45–55 days of incubation....
-
carinata among living colubrid snakes.
Despite their large size,
oriental ratsnakes are
usually quite slender with even a
specimen of 2 m (6 ft 7 in) commonly...
-
taeniurus helfenbergeri – Helfenberger's
Beauty Snake -
Ratsnake Information". www.
ratsnakes.info.
Archived from the
original on 2017-03-28. Retrieved...
- RLTS.T47755764A47755773.en.
Retrieved 19
November 2021.
Elaphe climacophora at the Reptarium.cz
Reptile Database.
Accessed 3
January 2021.
Ratsnakes.com...
