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Pikas are small mammals, with short limbs and rounded ears. They are about 15 to 23 cm (5.9 to 9.1 in) in body length and weigh between 120 and 350 g (4.2 and 12.3 oz), depending on species. These animals are herbivores and feed on a wide variety of plant matter, including forbs , grasses , sedges , shrub twigs, moss and lichens.
Five cervid species (clockwise from top left): the red deer (Cervus elaphus), sika deer (Cervus nippon), barasingha (Rucervus duvaucelii), reindeer (Rangifer tarandus), white-tailed deer (Odocoileus virginianus) Cervidae is a family of hoofed ruminant mammals in the order Artiodactyla. A member of this family is called a deer or a cervid.
Traditionally, only two species of mouse-deer in the genus Tragulus have been recognized: The relatively large T. napu and the small T. javanicus.Following a review in 2004, T. nigricans and T. versicolor were split from T. napu, and T. kanchil and T. williamsoni were split from T. javanicus. [4]
Over 50 subspecies and species are described, many of which are considered highly endangered. [42] The most recently identified species is Dendrohyrax interfluvialis , which is a tree hyrax living between the Volta and Niger rivers but makes a unique barking call that is distinct from the shrieking vocalizations of hyraxes inhabiting other ...
Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals.; Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night.
The single African species is consistently known as "chevrotain". [1] [4] [11] The names "chevrotain" and "mouse-deer" have been used interchangeably among the Asian species, [4] [12] [13] [14] though recent authorities typically have preferred chevrotain for the species in the genus Moschiola and mouse-deer for the species in the genus ...
All shrews are tiny, most no larger than a mouse. The largest species is the Asian house shrew (Suncus murinus) of tropical Asia, which is about 15 cm (6 in) long and weighs around 100 g (3 + 1 ⁄ 2 oz) [2] The Etruscan shrew (Suncus etruscus), at about 3.5 cm (1 + 3 ⁄ 8 in) and 1.8 grams (28 grains), is the smallest known living terrestrial mammal.
Desert bighorn sheep populations have trended upward since the 1960s. The upward trend was caused by conservation measures, including habitat preservation. In 1978, desert bighorn sheep populations were estimated at 8,415-9,040. [15] A state-by-state survey published in 1985 estimated the overall US desert bighorn sheep population at 15,980. [16]