Junín red squirrel

Species of rodent

Junín red squirrel
Conservation status

Data Deficient  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Sciuridae
Genus: Sciurus
Species:
S. pyrrhinus
Binomial name
Sciurus pyrrhinus
Thomas, 1898
Junín red squirrel's range

The Junín red squirrel (Sciurus pyrrhinus) is a species of squirrel from Peru and Ecuador.

Description

The Junín red squirrel is a relatively large tree squirrel, having a head-body length of about 25 cm (9.8 in). The majority of the body is covered in dark red fur, grizzled with black, fading to a chestnut brown on the tail, which is slightly shorter than the combined head and body. The underparts vary in colour between individuals, being white, red, or some shade in between. The whiskers and the edges of the ears are black.[2]

Distribution and biology

The squirrel is known to inhabit the eastern slopes of the Andes in central Peru, from Huánuco in the north to Ayacuchco and Cusco in the south, although it may also live further east, perhaps as far as the Bolivian border,[2] and further north, with one specimen collected in 1920 known from Zamora-Chinchipe Province of Ecuador.[3] Within this region it inhabits both lowland rainforests and higher, montane, forests.[2]

Little is known about the squirrel's biology and behaviour. They are known to be diurnal and arboreal, and are often seen in small groups, suggesting that they are not strongly territorial. Lactating females, presumably nursing young, have been identified in January. They are thought to be relatively numerous, and to tolerate human activity such as logging and hunting better than some other squirrels, but their limited range has led to them being classified as "Vulnerable" by the Peruvian Ministry of the Environment.[2]

References

  1. ^ Amori, G.; Koprowski, J.; Roth, L. (2019). "Sciurus pyrrhinus". IUCN Red List of Threatened Species. 2019: e.T20019A22246915. doi:10.2305/IUCN.UK.2019-1.RLTS.T20019A22246915.en. Retrieved 18 November 2021.
  2. ^ a b c d Scobie, E.H.; et al. (December 2014). "Sciurus pyrrhinus (Rodentia: Sciuridae)". Mammalian Species. 46 (914): 88–92. doi:10.1644/914.1.
  3. ^ Lee, T.E. & Brant J.G. (March 2014). "The first distribution record of Sciurus pyrrhinus Thomas, 1898 (Rodentia: Sciuridae) from Ecuador". Check List. 10 (3): 663–664. doi:10.15560/10.3.663.
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Extant species of family Sciuridae (subfamily Sciurinae, Sciurini tribe)
Microsciurus
(Dwarf squirrels)
  • Central American dwarf squirrel (Microsciurus alfari)
  • Amazon dwarf squirrel (Microsciurus flaviventer)
  • Western dwarf squirrel (Microsciurus mimulus)
  • Santander dwarf squirrel (Microsciurus santanderensis)
Rheithrosciurus
  • Tufted ground squirrel (Rheithrosciurus macrotis)
Sciurus
Subgenus Guerlinguetus
Brazilian squirrel (Sciurus aestuans)
South Yungas red squirrel (Sciurus argentinius)
Yellow-throated squirrel (Sciurus gilvigularis)
Red-tailed squirrel (Sciurus granatensis)
Bolivian squirrel (Sciurus ignitus)
Atlantic Forest squirrel (Sciurus ingrami)
Andean squirrel (Sciurus pucheranii)
Richmond's squirrel (Sciurus richmondi)
Sanborn's squirrel (Sciurus sanborni)
Guayaquil squirrel (Sciurus stramineus)
Subgenus Hadrosciurus
Fiery squirrel (Sciurus flammifer)
Junín red squirrel (Sciurus pyrrhinus)
Subgenus Hesperosciurus
Western gray squirrel (Sciurus griseus)
Subgenus Otosciurus
Abert's squirrel (Sciurus aberti)
Subgenus Sciurus
Allen's squirrel (Sciurus alleni)
Arizona gray squirrel (Sciurus arizonensis)
Mexican gray squirrel (Sciurus aureogaster)
Eastern gray squirrel (Sciurus carolinensis)
Collie's squirrel (Sciurus colliaei)
Deppe's squirrel (Sciurus deppei)
Japanese squirrel (Sciurus lis)
Calabrian black squirrel (Sciurus meridionalis)
Mexican fox squirrel (Sciurus nayaritensis)
Fox squirrel (Sciurus niger)
Peters's squirrel (Sciurus oculatus)
Variegated squirrel (Sciurus variegatoides)
Red squirrel (Sciurus vulgaris)
Yucatan squirrel (Sciurus yucatanensis)
Subgenus Tenes
Caucasian squirrel (Sciurus anomalus)
Subgenus Urosciurus
Northern Amazon red squirrel (Sciurus igniventris)
Southern Amazon red squirrel (Sciurus spadiceus)
Syntheosciurus
  • Bangs's mountain squirrel (Syntheosciurus brochus)
Tamiasciurus
(Pine squirrels)
  • Douglas squirrel (Tamiasciurus douglasii)
  • Southwestern red squirrel (Tamiasciurus fremonti)
  • American red squirrel (Tamiasciurus hudsonicus)
Category
Taxon identifiers
Sciurus pyrrhinus