Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Infraordo: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Sciuromorpha
Familia: Sciuridae
Subfamilia: Sciurinae
Tribus: Sciurini
Genus: Sciurus
Species: Sciurus colliaei
Subspecies: S. c. colliaei – S. c. nuchalis – S. c. sinaloensis – S. c. truei
Name
Sciurus colliaei Richardson, 1839
References
Sciurus colliaei in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
IUCN: Sciurus colliaei Richardson, 1839 (Least Concern)
Vernacular names
Deutsch: Collie-Hörnchen
English: Collie's Squirrel
Collie's squirrel (Sciurus colliaei) is a tree squirrel in the genus Sciurus endemic to Mexico.
Contents
1 Distribution
2 Description
3 Behaviour
3.1 Diet
4 References
Distribution
The Collie's squirrel is native to the western coast of Mexico, including the states of Sonora, Chihuahua, Sinaloa, Durango, Nayarit, Jalisco, and Colima.[3] The species inhabits areas of thick tropical and subtropical vegetation, especially in Jalisco. It is also known to occupy subtropical canyons in the northern part of its range.[4]
Description
Sometimes referred to as a "gray squirrel" in Mexico, the Collie's squirrel is a medium-sized squirrel with a gray coat. The back (dorsum) is usually a darker gray with a yellowish wash down to the tail's base. The species sides are usually a light gray and the underside is typically white, although it can sometimes be a light orange color. The top of the tail, with the exception of the base, is black with a white wash. The underside of the tail is gray and the sides white.[5]
Recorded measurements of the Collie's squirrel average female specimens as measuring 243.4mm from head to base of tail and 260.4mm on the length of the tail. Males were recorded as measuring 248.6mm head to base of tail and 243.2mm on the length of the tail. Females were recorded as weighing 440.8g and males 335.2g.[6]
Behaviour
The Collie's squirrel lives chiefly in trees and is diurnal, most active just after sunrise and before sunset. They have been reported to nest on outer tree branches and within tree trunks' cavities, as well as abandoned termite nests.[7] It is believed that the species breed in March and April.[8]
Diet
Collie's squirrels have a specialized diet of the fruits and nuts of palms, figs, and possibly oaks.[9]
References
de Grammont, P.C.; Cuarón, A.; Vázquez, E. (2016). "Sciurus colliaei". IUCN Red List of Threatened Species. 2016: e.T20007A22248115. doi:10.2305/IUCN.UK.2016-2.RLTS.T20007A22248115.en. Retrieved 12 November 2021.
Thorington, R.W. Jr.; Hoffmann, R.S. (2005). "Sciurus (Sciurus) colliaei". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: a taxonomic and geographic reference (3rd ed.). The Johns Hopkins University Press. pp. 754–818. ISBN 0-8018-8221-4. OCLC 26158608.
Squirrels of the world. Thorington, Richard W. Baltimore: Johns Hopkins University Press. 2012. ISBN 9781421408682. OCLC 821734054.
Squirrels of the world. Thorington, Richard W. Baltimore: Johns Hopkins University Press. 2012. ISBN 9781421408682. OCLC 821734054.
Squirrels of the world. Thorington, Richard W. Baltimore: Johns Hopkins University Press. 2012. ISBN 9781421408682. OCLC 821734054.
Squirrels of the world. Thorington, Richard W. Baltimore: Johns Hopkins University Press. 2012. ISBN 9781421408682. OCLC 821734054.
Squirrels of the world. Thorington, Richard W. Baltimore: Johns Hopkins University Press. 2012. ISBN 9781421408682. OCLC 821734054.
Squirrels of the world. Thorington, Richard W. Baltimore: Johns Hopkins University Press. 2012. ISBN 9781421408682. OCLC 821734054.
Squirrels of the world. Thorington, Richard W. Baltimore: Johns Hopkins University Press. 2012. ISBN 9781421408682. OCLC 821734054.
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