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Sub-fossorial species weighing more than 80 grams (2.8 oz) have comparably lower basal rates [specify] than those weighing lower than 60 grams (2.1 oz). The average fossorial animal has a basal rate between 60% and 90%. Further observations conclude that larger burrowing animals, such as hedgehogs or armadillos, have lower thermal conductance ...
Fossorial adaptations include small eyes, short, naked ears, and large fore feet with heavy claws. Zygomatic arches are widely flared, providing ample room for muscle attachment, [ 5 ] although, unlike other pocket gophers, this species does not use the curved incisors to assist the feet in digging. [ 3 ]
Points of a horse. Equine anatomy encompasses the gross and microscopic anatomy of horses, ponies and other equids, including donkeys, mules and zebras.While all anatomical features of equids are described in the same terms as for other animals by the International Committee on Veterinary Gross Anatomical Nomenclature in the book Nomina Anatomica Veterinaria, there are many horse-specific ...
Most fossorial mammals, including the pocket gophers dig with their forepaws held directly below their body, but shrew-moles dig using lateral-strokes. [6] This method of lateral-stroke burrowing in shrew moles is an evolutionary adaptation due to the modification of the pectoral girdle and bones of the forelimbs . [ 6 ]
Size varies among species, but commonly ranges from the size of a smaller mole to a larger rat. Coloration can range from yellow, to grey, to brown, and even black. They are all full-bodied with squat legs, short hair, and small eyes and ears. [6] Pocket gophers have special visual adaptations to match their extreme and unique subterranean ...
This adaptation allows cats to use their whiskers as effective tactile sensory organs. [ citation needed ] In the same Upper Paleocene strata, exceptionally preserved coprolites , originally excreted by unknown carnivorous animals, were discovered to contain undigested remains, including hair from Lambdopsalis and three other different mammal taxa.
The largest prehistoric horse was Equus giganteus of North America. It was estimated to grow to more than 1,250 kg (1.38 short tons) and 2 m (6 ft 7 in) at the shoulders. [138] The largest anchitherine equid was Hypohippus at 403 to 600 kg (888 to 1,323 lb), comparable to large modern domestic horses.
Cat senses are adaptations that allow cats to be highly efficient predators. Cats are good at detecting movement in low light, have an acute sense of hearing and smell, and their sense of touch is enhanced by long whiskers that protrude from their heads and bodies. These senses evolved to allow cats to hunt effectively at dawn and dusk.