NATURAL HISTORY · CATALOGUE RECORD
Far Eastern Birch Mouse
Sicista caudata Thomas, 1907
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
The long-tailed birch mouse (Sicista caudata) is a species of birch mouse found in Northeast Asia. It has been reported from the Ussuri region of Manchuria, Sakhalin Island and Primorsky Krai in Russia, and northern North Korea. It is listed as data deficient by the IUCN.
Wikipedia contributors, Long-tailed birch mouse; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T12:33:13.338064+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Sicista caudata Thomas, 1907
- Name authority
- Thomas, 1907
- Common name
- Far Eastern Birch Mouse
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Rodentia
- Family
- Dipodidae
- Genus
- Sicista
- Extinction status
- Recorded extant
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classMammalia Linnaeus, 1758
- subclassTheria Parker & Haswell, 1897
- infraclassEutheria Gill, 1872
- orderRodentia Bowdich, 1821
- suborderMyomorpha Brandt, 1855
- superfamilyDipodoidea Fischer de Waldheim, 1817
- familyDipodidae Fischer de Waldheim, 1817
- subfamilySicistinae J. A. Allen, 1901
- genusSicista Gray, 1827
- speciesSicista caudata Thomas, 1907
Close classified relatives
These entries share the source’s genus, Sicista. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Armenian Birch MouseSicista armenica Sokolov & Baskevich, 1988 | DipodidaeChordata | Accepted speciesRecorded extant |
| Northern Birch MouseSicista betulina (Pallas, 1779) | DipodidaeChordata | Accepted speciesRecorded extant |
| Chinese Birch MouseSicista concolor (Büchner, 1892) | DipodidaeChordata | Accepted speciesRecorded extant |
| Klochor Birch MouseSicista kluchorica Sokolov, Kovalskaya & Baskevich, 1980 | DipodidaeChordata | Accepted speciesRecorded extant |
| Gray Birch MouseSicista pseudonapaea Strautman, 1949 | DipodidaeChordata | Accepted speciesRecorded extant |
| Southern Birch MouseSicista subtilis (Pallas, 1773) | DipodidaeChordata | Accepted speciesRecorded extant |
| Tien Shan Birch MouseSicista tianshanica (Salensky, 1903) | DipodidaeChordata | Accepted speciesRecorded extant |
| Dark Birch MouseSicista severtzovi Ognev, 1935 | DipodidaeChordata | Accepted speciesRecorded extant |
| Caucasian Birch MouseSicista caucasica Vinogradov, 1925 | DipodidaeChordata | Accepted speciesRecorded extant |
| Kazbeg Birch MouseSicista kazbegica Sokolov, Baskevich & Kovalskaya, 1986 | DipodidaeChordata | Accepted speciesRecorded extant |
| Altai Birch MouseSicista napaea Hollister, 1912 | DipodidaeChordata | Accepted speciesRecorded extant |
| Strand's Birch MouseSicista strandi Formozov, 1931 | DipodidaeChordata | Accepted speciesRecorded extant |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Southern Asia
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=609769 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:4X722. Classification follows source parent identifiers. English common names may vary by region.