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Tail vibration is distinct from caudal luring, where the tail is twitched in order to attract prey. While rattlesnakes are perhaps the most famous group of snakes to exhibit tail vibration behavior, many other snake groups—particularly those in the Colubridae and Viperidae families—are known to vibrate their tails.
Adults of P. obsoletus can become quite large, with a reported typical total length (including tail) of 106.5–183 cm (3 ft 6 in – 6 ft 0 in). [8] [9] It is the largest snake found in Canada. The record total length is 256.5 cm (8 ft 5 in), [10] making it (officially) the longest snake in North America. [9]
Vibration (from Latin vibrāre 'to shake') is a mechanical phenomenon whereby oscillations occur about an equilibrium point.Vibration may be deterministic if the oscillations can be characterised precisely (e.g. the periodic motion of a pendulum), or random if the oscillations can only be analysed statistically (e.g. the movement of a tire on a gravel road).
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A white-tailed deer's tail. The tail is the elongated section at the rear end of a bilaterian animal's body; in general, the term refers to a distinct, flexible appendage extending backwards from the midline of the torso. In vertebrate animals that evolved to lose their tails (e.g. frogs and hominid primates), the coccyx is the homologous ...
The most common mode of motion is simple undulations in which lateral bending is propagated from head to tail. Snakes can exhibit 5 different modes of terrestrial locomotion: (1) lateral undulation, (2) sidewinding , (3) concertina , (4) rectilinear , and (5) slide-pushing.
An immobile tail does not attract prey, confirming that it is the moving lure that tricks and attracts prey. [11] Caudal luring behavior is only elicited when prey are nearby. [11] Due to the tail resembling a writhing caterpillar and another worm-like insect larvae, the tail of the snake is often referred to as a vermiform. [2]
Common names: Pacific gopher snake, coast gopher snake, western gopher snake [5] ().. Pituophis catenifer is a species of non-venomous colubrid snake endemic to North America.Nine subspecies are currently recognized, including the nominotypical subspecies, P. c. catenifer, described here. [6]