Pika: Profile and Information

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A pika, archaically spelled pica, is a small-sized mountain-dwelling mammal native to Asia and North America.

The pika resembles its close relative, the rabbit, with a round body, short limbs, no external tail, and an even fur coat.

What differentiates the pika from the rabbit are its short, rounded ears.

The large-eared pika of the Himalayan and other mountains close by, is seen at heights of more than 20,000 ft (6,000 m).

Pikas are found on rocky slopes and graze on various plants, mostly flowers, grasses, and young stems.

In the autumn, they pull soft twigs, hay, and other food stores into their burrows to eat in winter.

A pika is also known as the “whistling hare” for its high-pitched alarm call when diving into its burrow.

 The name pika was derived from the Tungus piika, and the scientific name Ochotona was derived from the Mongolian word ogdoi, which means pika.

The name pika is used to describe any member of the Ochotonidae, a family under the order of lagomorphs, including the Leporidae (hares and rabbits).

There is only one recognized genus (Ochotona) within the family, which covers 37 species.

The two pika species found in North America are the collared pika of Alaska, the Yukon, northern British Columbia, and Northwest Territories, and the American pika found in far southwestern Canada and the mountains of the western United States.

Scientific Classification

KingdomAnimalia
PhylumChordata
ClassMammalia
OrderLagomorpha
FamilyOchotonidae
GenusOchotona

Species

There are 37 extant pika species classified according to their subgenus.

Subgenus Pika: northern pikasSubgenus Ochotona: shrub-steppe pikasSubgenus Conothoa: mountain pikasSubgenus Alienauroa
Alpine pika or Altai pika (O. alpina)Gansu pika or gray pika (O. cansus)Chinese red pika (O. erythrotis)O. huanglongensis
Helan Shan pika or silver pika (O. argentata)Plateau pika or black-lipped pika (O. curzoniae)Forrest’s pika (O. forresti)O. dabashanensis
Collared pika (O. collaris)Daurian pika (O. dauurica)Gaoligong pika (O. gaoligongensis)O. xunhuaensis
Hoffmann’s pika (O. hoffmanni)Tsing-ling pika (O. huangensis)Glover’s pika (O. gloveri)O. flatcalvariam
Northern pika or Siberian pika (O. hyperborea)Nubra pika (O. nubrica)Himalayan pika (O. himalayana)O. sacraria
Pallas’s pika (O. pallasi)Steppe pika (O. pusilla)Ili pika (O. iliensis)
American pika (O. princeps)Afghan pika (O. rufescens)Koslov’s pika (O. koslowi)
Turuchan pika (O. turuchanensis)Moupin pika (O. thibetana)Ladak pika (O. ladacensis)
Thomas’s pika (O. thomasi)Large-eared pika (O. macrotis)
O. yarlungensisMuli pika (O. muliensis)
O. qionglaoensisBlack pika (O. nigritia)
Royle’s pika (O. roylei)
Turkestan red pika (O. rutila)

Characteristics

A pika is a small mammal with rounded ears and short limbs. They are about 6 – 9 in (15 – 23 cm) in body length and weigh between 4 to 12 ½ oz (120 to 350 g), depending on the species.

Collared pikas have been seen to store dead birds in their burrows as food during winter. They are often seen eating the feaces of other animals.

Pikas are also herbivores and feed on various plant matter, including grasses, forbs, shrub twigs, sedges, lichens, and moss. Like other lagomorphs, pikas have no canines but have gnawing incisors and fewer molars than rabbits. Pikas have a dental formula of 2.0.3.2 (upper set) & 1.0.2.3 (lower set).

A rock-dwelling pika has a small litter of fewer than five offspring, while the burrowing species tend to produce more offspring and breed more often. This is probably due to the greater availability of resources in their habitats. Newborns are born after a gestation period of 25 to 30 days.

Behavior

Pikas are crepuscular and diurnal, and they show their peak activity before the winter season. Pikas do not hibernate as they spend their time collecting and storing food in the summer, which they will eat during winter.

Pikas have different calls that vary in duration. The call can either be quick and short, more drawn out and a little longer, or long songs. The calls are used for territory defense, predator warning signals, individual recognition, and to attract the opposite sex.

The lifespan of a pika is said to be approximately 7 years. A pika’s age is determined by the number of adhesion lines found on the periosteal bone on the lower jaw.

Habitat

Pikas are endemic to cold climates, mostly in North America, Asia, and Eastern Europe. Some pika species are found on rocky mountainsides, while some construct crude burrows.

Pikas require cold temperatures to survive and can die if exposed to temperatures above 77.9 °F (25.5 °C).

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Adenaya Damilola
Adenaya Damilola
Adenaya Damilola is a content creator and an aspiring biochemist. He is interested in music, poetry, and tech. He is also an animal lover.

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