Travel Reference
In-Depth Information
Canyon Tree Frog
GREATBASINRATTLESNAKE
A subspecies of the Western Rattlesnake, the Great Bas-
in Rattlesnake is found both above and below the rim at Bryce Canyon, and in most
areas of Zion. Generally they hibernate in winter, so you will most likely encounter
them only April through October. Sometimes growing to more than 5 feet long,
they are usually gray or light brown with dark patches on their backs. They have
wide, triangular-shaped flat heads, and bony, interlocking segments on their tails,
which produce a buzzing or hissing noise when shaken—this usually happens
when the snake is agitated. Each time the snake sheds its skin, which can occur up
to five times a year, the rattle gets a new segment. These snakes are highly poison-
ous, but usually only attack humans when they feel threatened. Because they are
mainly nocturnal, those walking in isolated areas at night should use flashlights to
avoid stepping on them.
Rattlesnake
MOUNTAIN SHORT-HORNED LIZARD
These little lizards—usually between 2 and 4
inches long—are found in abundance in a variety of habitats in Bryce Canyon Na-
tional Park and at higher elevations at Zion. They are active mostly during the day,
and their diet consists mainly of ants, but they will also eat other insects and even
small snakes. Mountain short-horned lizards have a broad, flat body, short tail, and
