Night Lizards: Xantusiidae - Physical Characteristics, Habitat, Diet, Behavior And Reproduction, Conservation Status, Desert Night Lizard (xantusia Vigilis): Species Account - GEOGRAPHIC RANGE, NIGHT LIZARDS AND PEOPLE
Night lizards live in the United States, Cuba, and Mexico, as well as in Central America as far south as Panama.
Although some people believe they are venomous, night lizards are not. They are harmless to humans.
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The night lizards are mainly small lizards without the working eyelids that many other species of lizards have. Instead, the night lizards have a see-through scale covering the eye. This clear scale, which looks somewhat similar to a person's contact lens, is called a spectacle. Beneath the spectacle, the eyes of some species of night lizards have catlike pupils, but others have round pupil…
People rarely see night lizards during the daytime, but they actually can be active both night and day, if the daytime temperatures are not too hot. Even on the best of days, however, they spend most of their time out of sight under dead leaves, inside plants, or in the cracks of rocks. They are much more likely to venture outside at night, when they may scramble about under the cover of darkness.…
Physical characteristics: Among the smallest species in this family, the desert night lizards grow to only 1.5 inches (3.7 centimeters) long from the tip of the snout to the vent. Like other night lizards, they have no working eyelids. This lizard usually has dark spots on its brown back, although in some areas, the back may have a green, yellow, or orange tint. Its skin is typically wrinkly on th…
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