Sigmodon hirsutus (Burmeister, 1854)

Material examined.

Costa Rica • Puntarenas Province, Karen Mogensen Wildlife Refuge; 09°52'12"N, 085°03'27"W; 298 m alt.; 20.01.2023; direct observation .

Identification.

Small-sized rodent, with a grey-brown fur, paler below. The skin of the hind feet is rather dark. The nose is blunt, the ears are round and hairy. The tail is shorter than the head and body length (Reid and Gόmez Zamora 2022). Recorded on a few occasions in clearings within forested areas or close to buildings in the Wildlife Refuge.