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Sunbeam snakes: Sunbeam snake (Xenopeltis unicolor) Scolecophidia 3 families Family Common Names Example Species Example Photo Anomalepidae Taylor, 1939: Dawn blind snakes: Dawn blind snake (Liotyphlops beui) Leptotyphlopidae Stejneger, 1892: Slender blind snakes: Texas blind snake (Leptotyphlops dulcis) Typhlopidae Merrem, 1820: Blind snakes
Herpetology (from Greek ἑρπετόν herpetón, meaning "reptile" or "creeping animal") is a branch of zoology concerned with the study of amphibians (including frogs, salamanders, and caecilians (Gymnophiona)) and reptiles (including snakes, lizards, turtles, crocodilians, and tuataras).
Animal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals, such as model organisms, in experiments that seek to control the variables that affect the behavior or biological system under study. This approach can be contrasted with field studies in which animals are observed in ...
The Pythonidae, commonly known as pythons, are a family of nonvenomous snakes found in Africa, Asia, and Australia. Among its members are some of the largest snakes in the world. Ten genera and 39 species are currently recognized. Being naturally non-venomous, pythons must constrict their prey to induce cardiac arrest prior to consumption.
The majority of snakes eat a variety of prey animals, but there is some specialization in certain species. King cobras and the Australian bandy-bandy consume other snakes. Species of the family Pareidae have more teeth on the right side of their mouths than on the left, as they mostly prey on snails and the shells usually spiral clockwise.
Colubridae (/ k ə ˈ l uː b r ɪ d iː /, commonly known as colubrids / ˈ k ɒ lj ʊ b r ɪ d z /, from Latin: coluber, 'snake') is a family of snakes. With 249 genera, [2] it is the largest snake family. The earliest fossil species of the family date back to the Late Eocene epoch, with earlier origins suspected. [1]
Squamata and Rhynchocephalia form the subclass Lepidosauria, which is the sister group to the Archosauria, the clade that contains crocodiles and birds, and their extinct relatives. Fossils of rhynchocephalians first appear in the Early Triassic , meaning that the lineage leading to squamates must have also existed at the time.
One of Pavlov’s dogs with a saliva-catch container and tube surgically implanted in its muzzle, Pavlov Museum, 2005. The history of animal testing goes back to the writings of the Ancient Greeks in the 4th and 3rd centuries BCE, with Aristotle (384–322 BCE) and Erasistratus (304–258 BCE) one of the first documented to perform experiments on nonhuman animals. [1]