Transandinomys talamancae information

Transandinomys talamancae
	Skull of a male from Gatun, Panama, seen from above
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Cricetidae
Subfamily:	Sigmodontinae
Genus:	Transandinomys
Species:	T. talamancae
Binomial name
	Transandinomys talamancae; (J.A. Allen, 1891)
	Distribution of Transandinomys talamancae in southern Central America and northwestern South America
Synonyms
	Oryzomys talamancae J.A. Allen, 1891; Oryzomys mollipilosus J.A. Allen, 1899; Oryzomys magdalenae J.A. Allen, 1899; Oryzomys villosus J.A. Allen, 1899; Oryzomys sylvaticus Thomas, 1900; Oryzomys panamensis Thomas, 1901; Oryzomys medius Robinson and Lyon, 1901; Oryzomys carrikeri J.A. Allen, 1908; Transandinomys talamancae: Weksler, Percequillo, and Voss, 2006;

Transandinomys talamancae is a rodent in the family Cricetidae that occurs from Costa Rica to southwestern Ecuador and northern Venezuela. Its habitat consists of lowland forests up to 1,500 m (5,000 ft) above sea level. With a body mass of 38 to 74 g (1.3 to 2.6 oz), it is a medium-sized rice rat. The fur is soft and is reddish to brownish on the upperparts and white to buff on the underparts. The tail is dark brown above and lighter below and the ears and feet are long. The vibrissae (whiskers) are very long. In the skull, the rostrum (front part) is long and the braincase is low. The number of chromosomes varies from 34 to 54.

The species was first described in 1891 by Joel Asaph Allen and thereafter a variety of names, now considered synonyms, were applied to local populations. It was lumped into a widespread species "Oryzomys capito" (now Hylaeamys megacephalus) from the 1960s until the 1980s and the current allocation of synonyms dates from 1998. It was placed in the genus Oryzomys until 2006, as Oryzomys talamancae, but is not closely related to the type species of that genus and was therefore moved to a separate genus Transandinomys in 2006. It shares this genus with Transandinomys bolivaris, which has even longer vibrissae; the two overlap broadly in distribution and are morphologically similar.

Active during the night, Transandinomys talamancae lives on the ground and eats plants and insects. Males move more and have larger home ranges than most females. It breeds throughout the year, although few individuals survive for more than a year. After a gestation period of about 28 days, two to five young are born, which reach sexual maturity within two months. A variety of parasites occur on this species. Widespread and common, it is of no conservation concern.

^ Goldman, 1918, plate IV
^ Anderson, R.P.; Aguilera, M.; Gómez-Laverde, M.; Samudio Jr, R.S.; Pino, J.L. (2017). "Transandinomys talamancae". IUCN Red List of Threatened Species. 2017: e.T15615A22332803. doi:10.2305/IUCN.UK.2017-2.RLTS.T15615A22332803.en. Retrieved 15 November 2021.
^ Musser et al., 1998, fig. 66; Linares, 1998, map 134
^ Allen, 1891, p. 193
^ Allen, 1899, p. 208
^ Allen, 1899, p. 209
^ Allen, 1899, p. 210
^ Thomas, 1900, p. 272
^ Thomas, 1901, p. 252
^ Robinson and Lyon, 1901, p. 142
^ Allen, 1908, p. 656
^ Weksler et al., 2006, p. 25
^ Musser et al., 1998, pp. 273–274

[GplIV-1] Goldman, 1918, plate IV

[iucn_status_15_November_2021-2] Anderson, R.P.; Aguilera, M.; Gómez-Laverde, M.; Samudio Jr, R.S.; Pino, J.L. (2017). "Transandinomys talamancae". IUCN Red List of Threatened Species. 2017: e.T15615A22332803. doi:10.2305/IUCN.UK.2017-2.RLTS.T15615A22332803.en. Retrieved 15 November 2021.

[3] Musser et al., 1998, fig. 66; Linares, 1998, map 134

[A193-4] Allen, 1891, p. 193

[A208-5] Allen, 1899, p. 208

[A209-6] Allen, 1899, p. 209

[A210-7] Allen, 1899, p. 210

[T272-8] Thomas, 1900, p. 272

[T252-9] Thomas, 1901, p. 252

[RL142-10] Robinson and Lyon, 1901, p. 142

[A656-11] Allen, 1908, p. 656

[Wea25-12] Weksler et al., 2006, p. 25

[Mea273-4-13] Musser et al., 1998, pp. 273–274

Transandinomys talamancae information

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Transandinomys talamancae

Transandinomys

Transandinomys bolivaris

Sierra Nevada de Santa Marta

Hoplopleura oryzomydis

List of rodents

List of mammals of North America

List of mammals of South America

Sigmodontinae

List of mammals of Ecuador

Nephelomys devius

List of mammals of Central America

Pseudoryzomys

Oryzomys gorgasi

Zygodontomys brevicauda

Drymoreomys

Nephelomys childi

Oryzomys nelsoni

Megalomys georginae

Megalomys audreyae

Amphinectomys

Oryzomyini

Cerradomys maracajuensis

Oligoryzomys destructor

Cerradomys marinhus

Nectomys rattus

Holochilus brasiliensis

Oligoryzomys stramineus

Sigmodontomys

Transandinomys talamancae

Skull of a male from Gatun, Panama, seen from above^[1]
Conservation status
Least Concern (IUCN 3.1)^[2]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Cricetidae
Subfamily:	Sigmodontinae
Genus:	Transandinomys
Species:	T. talamancae
Binomial name
*Transandinomys talamancae* (J.A. Allen, 1891)

Distribution of Transandinomys talamancae in southern Central America and northwestern South America^[3]
Synonyms^[13]
Oryzomys talamancae J.A. Allen, 1891^[4] Oryzomys mollipilosus J.A. Allen, 1899^[5] Oryzomys magdalenae J.A. Allen, 1899^[6] Oryzomys villosus J.A. Allen, 1899^[7] Oryzomys sylvaticus Thomas, 1900^[8] Oryzomys panamensis Thomas, 1901^[9] Oryzomys medius Robinson and Lyon, 1901^[10] Oryzomys carrikeri J.A. Allen, 1908^[11] Transandinomys talamancae: Weksler, Percequillo, and Voss, 2006^[12]