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Most lizard species and some snake species are insectivores. The remaining snake species, tuataras, and amphisbaenians, are carnivores. While some snake species are generalist, others eat a narrow range of prey - for example, Salvadora only eat lizards. [33] The remaining lizards are omnivores and can consume plants or insects. The broad ...
Knuckle pads are benign subcutaneous fibrotic nodules that are seen in the finger joints and/or the extensor area of the foot. [6] [7] [8] From a clinical perspective, these are well-defined, non-compressible, freely moveable lesions that resemble warts and primarily affect the dorsal portion of the proximal interphalangeal (PIP) and, less frequently, the metacarpophalangeal (MCP) joints.
A mite pocket on the neck of a northern alligator lizard A mite pocket is an area on the body of a lizard that where biting mites congregate such as chiggers and ticks . [ 1 ] They are slight depressions on the body, usually behind other appendages such as the legs and neck.
Ophionyssus natricis, the reptile mite, is a parasitic mite most commonly found on snakes, but also occurring on captive lizards, turtles, crocodiles, and other reptiles. [1] The parasites feed on snakes, which cause the bodies of the mites to be engorged with blood and fluids from the snake.
This provides protection from the environment and reduces water loss through evaporation. This adaptation enables lizards to thrive in some of the driest deserts on earth. The skin is tough and leathery, and is shed (sloughed) as the animal grows. Unlike snakes which shed the skin in a single piece, lizards slough their skin in several pieces.
A study conducted in 2014 established the existence of endogenous circadian rhythm in pigmentation changes in P. vitticeps; if exposed to sun, the dorsal skin of the lizard becomes darker, and if exposed to darkness, it becomes lighter. Under constant darkness (i.e. in the subjective night), the lizard's dorsal skin becomes the lightest. [7]
Just prior to shedding, the skin becomes dull and dry looking and the snake's eyes turn cloudy or blue-coloured. The old layer of skin splits near the mouth and the snake wriggles out, aided by rubbing against rough surfaces. In many cases the cast skin peels backward over the body from head to tail, in one piece like an old sock.
Tiliqua rugosa, most commonly known as the shingleback skink, stumptail skink or bobtail lizard, is a short-tailed, slow-moving species of blue-tongued skink (genus Tiliqua) endemic to Australia. It is commonly known as the shingleback or sleepy lizard .