Overview

Distribution

Range Description

Ochotona roylei occurs in the Himalayan massif through Pakistan, Kashmir, northwestern India, Nepal, and Tibet (Smith et al. 1990). Records exist from western China, but these should probably be attributed to O. macrotis chinensis (Smith et al. 1990).

O. roylei occurs from 2,400-4,300 m in elevation (Chakraborty et al. 2005).
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Geographic Range

Ochotona roylei is distributed mainly in Nepal, Punjab, and Kashmir; Tibet; Szechuan and Yunnan provinces in western China; northern Burma.

Biogeographic Regions: oriental (Native )

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Physical Description

Morphology

Physical Description

Length from nose to rump is 150-200 mm. The fur is long, dense, soft and fine, and generally more rufous-colored along the head, shoulders, and fore part of the body in the summer. The remainder of the dorsal surface is dark grayish rufous. Ventrally, the coloration ranges from white to grayish-white to dark gray. The winter coat is similar but may show only traces of rufous coloration.

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Ochotona roylei is a primarily crepuscular, talus-dwelling species (Smith et al. 1990). They live in groups composed of parents and their offspring, with low densities (12.5 per ha) characteristic of talus-dwelling pikas (Smith et al. 1990). Females of the species may produce one or two litters annually with an average of 3 offspring per litter (Smith et al. 1990). The total length of this species is 15.5-20.4 cm (Smith and Xie 2008).

O. roylei exhibits a symbiotic relationship with Pnoepyge albiventer, the Scaly Breasted Wren Babbler in Nepal. This species of bird will co-occupy the pika's haypile, forage for food in close proximity to the pika, and sun itself with the pika. Potential reasons for the relationship are: 1.) lack of nesting sites for the babbler, 2.) similar life styles, 3.) the additional heat provided by the bird to the haypile is beneficial to the pika, 4.) utilization of different food sources, and 5.) additional protection against predation (Khana 2007).

Systems
  • Terrestrial
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Habitat

Ochotona roylei prefers rocky areas and often nests in stone heaps. They can only survive in areas where there are ample subterranean cavities formed by the accumulation of loose slide rock. Occasionally, where forests grow on rocky areas, pikas use the subterranean spaces around root systems and below fallen trees. They generally live at lower elevations than the large-eared pika and occur in more mesic situations such as rhododendron, deodar and spruce forsts. They may also occasionally inhabit the rock wall huts of local people throughout their range.

Terrestrial Biomes: taiga ; forest

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Trophic Strategy

Food Habits

Royle's pikas eat a variety of grasses, sedges, weeds and woody plants fresh and sometimes in the form of hay which they make themselves (see behavior below). They also eat lichens and mosses, utilizing whatever plants they can find near their burrows.

Primary Diet: herbivore (Folivore )

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Life History and Behavior

Reproduction

Reproduction

Pikas breed between late spring and summer. Sexual maturity is reached between 7-10 months. Gestation is approximately 30 days, and litter size varies from 2-6 although it is generally 3 or 4. A nest of plant material is built where females give birth to one or two litters per year. The young are weaned when about 1 month old. Life span is thought to be from 1-3 years.

Range number of offspring: 1 to 5.

Average gestation period: 30 days.

Range weaning age: 20 to 22 days.

Parental Investment: altricial

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Smith, A.T. & Boyer, A.F.

Reviewer/s
Johnston, C.H. and Smith, A.T. (Lagomorph Red List Authority)

Justification
Ochotona roylei is a widespread species that does not appear to be experiencing a decline in distribution or abundance (Smith et al. 1990, Chakraborty et al. 2005).

History
  • 1996
    Lower Risk/least concern
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Conservation Status

There are currently no threats to the distribution or abundance of Royle's pika throughout its range. Because the geographic area of this species is often so far removed from humans, these animals rarely come into contact with human economic activities.

CITES: no special status

IUCN Red List of Threatened Species: least concern

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Population

Population
Though there are no current population assessments of Ochotona roylei, it is considered widespread without serious threats to jeopardize its status (Chakraborty et al. 2005). In the Ladakh region of India, it was characterized as uncommon, but without any known threats (Mallon 1991).

Population Trend
Stable
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Threats

Threats

Major Threats
Ochotona roylei is affected by small-scale logging and livestock grazing, but these are not considered serious threats to the distribution or abundance of the species (Smith et al. 1990; Chakraborty et al. 2005).
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Management

Conservation Actions

Conservation Actions
Ochotona roylei occurs in Zhumulangmafeng Nature Reserve (CSIS 2008). In China, this species has been regionally Red Listed as Least Concern (Wang and Xie 2004).
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Relevance to Humans and Ecosystems

Benefits

Economic Importance for Humans: Negative

Royle's pika occasionally inhabits the huts of native peoples and may become a pest by stealing grains or baked goods.

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Wikipedia

Royle's Pika

The Royle's Pika (Ochotona roylei) is a species of mammal in the Ochotonidae family. It is found in China, India, Nepal, and Pakistan.

References

  1. ^ Smith, A.T. & Boyer, A.F. (2008). Ochotona roylei. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 10 April 2009. Database entry includes a brief justification of why this species is of least concern.
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