Cricetidae
Author
Don E. Wilson
Author
Russell A. Mittermeier
Author
Thomas E. Lacher, Jr
text
2017
2017-11-30
Lynx Edicions
Barcelona
Handbook of the Mammals of the World – Volume 7 Rodents II
204
535
book chapter
80832
10.5281/zenodo.6707142
ab66b2b7-9544-4411-bf61-5bc3651d7bca
978-84-16728-04-6
6707142
625.
Woodland Oldfield Mouse
Thomasomys hylophilus
French:
Thomasomys des bois
/
German:
Waldland-Paramomaus
/
Spanish:
Ratén de erial de tierra arbolada
Other common names:
\
Woodland Thomasomys
Taxonomy.
Thomasomys hylophilus Osgood, 1912
,
Paramo de Tama, Upper Rio Tachira,
Norte de Santander
,
Colombia
.
Morphological differences had been reported between populations from Boyaca and Paramo de Tama, suggesting potential occurrence of an unnamed taxon probably at subspecific level. Monotypic.
Distribution.
E Andes Range in E Colombia and
Cordillera de
Mérida in W Venezuela.
Descriptive notes.
Head-body 107-126 mm, tail 124-155 mm, ear 17-20 mm, hindfoot 24-5-28 mm; weight 32-40 g. Dorsum of the Woodland Oldfield Mouse is tawny olive mixed with blackish, sometimes more blackish along middle of back; sides and face are woody brown to tawny olive; and underparts are cinnamon, with slate-colored hair at base. Forefeet are silvery gray, and forelimbs are blackish. Tail is uniformly blackish, except for white tip, and 104-145% of head-body length. Mystacial vibrissae are moderately long, extending slightly beyond posterior margin of pinnae when bent. Hindfootis whitish drab above with white digits.
Habitat.
Dense montane forests on upper slopes of paramo. Woodland Oldfield Mice were recorded at bases and in roots of trees, often in bamboo thickets, mossy rotting logs, shrubs and tree ferns, mossy tree limbs, litter on stream banks, and under tangled vines, near streams, most often in cloud forest but also in clearings used for pasture and crops.
On following pages: 626. Niceforo Maria's Oldfield Mouse (
Thomasomys nicefori
); 627. Popayan Oldfield Mouse (
Thomasomys popayanus
); 628. Short-faced Oldfield Mouse (
Thomasomys baeops
); 629. Snow-footed Oldfield Mouse (
Thomasomys niveipes
); 630. Principal Oldfield Mouse (
Thomasomys princeps
); 631. Silky Oldfield Mouse (
Thomasomys bombycinus
); 632. Red Andean Oldfield Mouse (
Thomasomys
auricularis); 633. Cinnamon-colored Oldfield Mouse (
Thomasomys cinnameus
); 634. Central Andes Oldfield Mouse (
Thomasomys
contradictus); 635. Ashy-bellied Oldfield Mouse (
Thomasomys
cinereiventen; 636. Colombian Oldfield Mouse (
Thomasomys
dispar); 637. Soft-furred Oldfield Mouse (
Thomasomys
lanigen); 638. Ash-colored Oldfield Mouse (
Thomasomys cinereus
); 639. Wandering Oldfield Mouse (
Thomasomys erro
); 640. Paramo Oldfield Mouse (
Thomasomys paramorum
); 641. Forest Oldfield Mouse (Thomasomyssilvestris); 642. Smoky Oldfield Mouse (
Thomasomys fumeus
); 643. Pichincha Oldfield Mouse (
Thomasomys vulcani
); 644.
Ucucha Oldfield Mouse
(
Thomasomys ucucha
); 645. Taczanowski’s Oldfield Mouse (
Thomasomys taczanowskii
); 646. Golden Oldfield Mouse (
Thomasomys aureus
); 647. White-tipped Oldfield Mouse (
Thomasomys caudivarius
); 648. Hudson's Oldfield Mouse (
Thomasomys hudsoni
); 649. Reddish-backed Oldfield Mouse (
Thomasomys pyrrhonotus
); 650. Montane Oldfield Mouse (
Thomasomys oreas
); 651. Cajamarca Oldfield Mouse (
Thomasomys praetor
; 652. Distinguished Oldfield Mouse (
Thomasomys notatus
); 653.
Apeco Oldfield Mouse
(
Thomasomys apeco
); 654. Peruvian Oldfield Mouse (
Thomasomys eleusis
); 655. Strong-tailed Oldfield Mouse (
Thomasomys ischyrus
); 656. Reddish-nosed Oldfield Mouse (
Thomasomys rosalinda
); 657. Large-eared Oldfield Mouse (
Thomasomys macrotis
); 658. Ashaninka Oldfield Mouse (
Thomasomys onkiro
); 659.
Inca Oldfield Mouse
(
Thomasomys incanus
), 660. Kalinowski’s Oldfield Mouse (
Thomasomys kalinowskii
); 661. Slender Oldfield Mouse (
Thomasomys gracilis
); 662. Daphne's Oldfield Mouse (
Thomasomys daphne
); 663. Anderson's Oldfield Mouse (
Thomasomys
anderson); 664. Austral Oldfield Mouse (
Thomasomys australis
); 665. Ladew's Oldfield Mouse (
Thomasomys ladewi
).
Food and Feeding.
Woodland Oldfield Mice eat seeds and fruits.
Breeding.
No information.
Activity patterns.
The Woodland Oldfield Mouse is terrestrial to scansorial.
Movements, Home range and Social organization.
Woodland Oldfield Mice reportedly live among galleries that naturally
form under
mossy roots, logs, and debris.
Status and Conservation.
Classified as Endangered on The IUCN Red List. The Woodland Oldfield Mouse occurs in less than 5000 km?, which is severely fragmented, and extent and quality of its forest habitat continue to decline.
Bibliography.
Gomez-Laverde & Pacheco (2008b), Handley (1976), Linares (1998), Osgood (1912), Pacheco (2003, 2015b), Voss (2003).