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The western skink (Plestiodon skiltonianus) is a species of small, smooth-scaled lizard with relatively small limbs. It measures about 100 to 210 mm (about 4 to 8.25 ...
Other common names for P. fasciatus include blue-tailed skink (for juveniles) and red-headed skink (for adults). It is technically appropriate to call it the American five-lined skink to distinguish it from the African skink Trachylepis quinquetaeniata (otherwise known as five-lined mabuya) or the eastern red-headed skink to distinguish it from its western relative Plestiodon skiltonianus ...
Most skinks, though, are medium-sized, with snout-to-vent lengths around 12 cm (4 + 1 ⁄ 2 in), although some grow larger; the Solomon Islands skink (Corucia zebrata) is the largest known extant species and may attain a snout-to-vent length of some 35 cm (14 in).
The conspicuous coloring of species of Plestiodon is a survival trait: it attracts a predator's attention to the tail of the animal, which will break off when grabbed. A skink thus often manages to escape and hide under some rock, log, or fallen leaves while the predator still contemplates the wildly thrashing severed tail.
The western skink (Plestiodon skiltonianus) is a small, smooth-scaled lizard with relatively small limbs, measuring about 100 to 200 mm long. Western skinks are very adaptable. They spend much of their day basking in the sun. Their diet ranges widely, including spiders and beetles.
Plestiodon gilberti, commonly known as Gilbert's skink, is a species of heavy-bodied medium-sized lizard in the family Scincidae. The species is endemic to the southwestern United States and northwestern Mexico, and grows to about 7 to 12 cm (3 to 4.5 in) in total length (including tail).
There are several ways to identify venomous snakes, including pupil size, head shape and pattern. But in Pennsylvania, a good way to tell if one of the native snake species is venomous is the scales.
Mildly venomous; adults rarely exceed 55 centimetres (22 in) [2] Sharptail snake: Contia tenuis: Least concern: Nonvenomous; adults usually less than 30 centimetres (12 in) [2] Striped whipsnake: Masticophis taeniatus: Least concern: Nonvenomous; adults reach 90–180 centimetres (35–71 in) [2] Western terrestrial garter snake: Thamnophis ...