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A white-headed dwarf gecko with tail lost due to autotomy. Autotomy (from the Greek auto-, "self-" and tome, "severing", αὐτοτομία) or 'self-amputation', is the behaviour whereby an animal sheds or discards an appendage, [1] usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape.
The tail can be dropped (via caudal autotomy) to distract predators. The crested gecko does not regenerate its tail once lost. Most adults in the wild lack tails. [4] The toes and the tip of the semi-prehensile tail are covered in small hairs called setae. Each seta is divided into hundreds of smaller (approximately 200 nanometres in diameter ...
The common house gecko (Hemidactylus frenatus) is a gecko native to South and Southeast Asia as well as Near Oceania. It is also known as the Asian house gecko, Pacific house gecko, wall gecko, house lizard, tiktiki, chipkali [3] or moon lizard. These geckos are nocturnal; hiding during the day and foraging for insects at night.
To fully explain why beavers slap their tails we need to look at their social structures. They live in colonies of around 8 to 12 individuals and form strong family bonds.
The interactions between the gecko's feet and the climbing surface are stronger than simple surface area effects. On its feet, the gecko has many microscopic hairs, or setae (singular seta), that increase the Van der Waals forces - the distance-dependent attraction between atoms or molecules - between its feet and the surface.
The prehensile-tail of a mantled howler monkey. A prehensile tail is the tail of an animal that has adapted to grasp or hold objects. [1] Fully prehensile tails can be used to hold and manipulate objects, and in particular to aid arboreal creatures in finding and eating food in the trees.
The lesser thorn-tailed gecko from Western Australia can shoot goo out of its tail. - Anders Zimmy/Natural History Museum
Eurydactylodes geckos have a long and slender tail [3] – being approximately the same length as their body [4] and possessing a snout-vent length of 100% [7] - and are round in cross section. [3] The tail is muscular [ 7 ] and prehensile, [ 3 ] aided by a subcaudal scansorial pad and adhesive subcaudal tissue with soft, long hairs. [ 2 ]