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Mexican Plateau horned lizard (Phrynosoma orbiculare) near Xalapa de Enríquez, Veracruz, Mexico, showing blood squirted from the eye as defensive behavior (20 April 2011) Horned lizards use a variety of means to avoid predation. Their coloration generally serves as camouflage. When threatened, their first defense is to remain motionless to ...
Horned lizard showing evidence of autohaemorrhaging. Autohaemorrhaging, or reflex bleeding, is the action of animals deliberately ejecting blood from their bodies. Autohaemorrhaging has been observed as occurring in two variations. [1] In the first form, blood is squirted toward a predator.
The oriental garden lizard (Calotes versicolor), also called the eastern garden lizard, Indian garden lizard, common garden lizard, bloodsucker or changeable lizard, is an agamid lizard found widely distributed in Indo-Malaya. It has also been introduced in many other parts of the world.
Lizards are mainly carnivorous, often being sit-and-wait predators; many smaller species eat insects, while the Komodo eats mammals as big as water buffalo. Lizards make use of a variety of antipredator adaptations, including venom, camouflage, reflex bleeding, and the ability to sacrifice and regrow their tails.
The western fence lizard (Sceloporus occidentalis) is a species of lizard native to Arizona, New Mexico, and California, as well as Idaho, Nevada, Oregon, Utah, Washington, and Northern Mexico. The species is widely found in its native range and is considered common, often being seen in yards, or as the name implies, on fences.
Calotes is a genus of lizards in the draconine clade of the family Agamidae.The genus contains 29 species.Some species are known as forest lizards, others as "bloodsuckers" due to their red heads, and yet others (namely C. versicolor) as garden lizards.
The venom in these lizards have been shown to be a haemotoxin. The venom would act as an anticoagulant and would greatly increase the bleeding the prey received from its wounds. This would rapidly decrease the prey's blood pressure and lead to systemic shock. Being a member of Anguimorpha, megalania may have been venomous and if so, would be ...
Ophisops elegans, commonly known as the snake-eyed lizard, is a species of lizard in the family Lacertidae. The species is endemic to the Mediterranean region and Central Asia . There are nine recognized subspecies.