21.

Orinoco Sword-nosed Bat

Lonchorhina orinocensis

French: Lonchorhine de I'Orénoque / German: Orinoco-Schwertnase / Spanish: Loncorino de Orinoco

Other common names: Orinocoan Sword-nosed Bat

Taxonomy. Lonchorhina orinocensis Linares & Ojasti, 1971,

“Boca de Villacoa, Rio Orinoco (50 km. NE de Puerto Paez), Estado Bolivar, Venezuela, a 65 mts. s.n.m.” This species is monotypic.

Distribution. E Colombia, S Venezuela, and SW Guyana.

Descriptive notes. Head—body 47-54 mm, tail 47-57 mm, ear 28-32 mm, hindfoot 9-12 mm, forearm 40-44 mm; weight 8-12 g. Fur of the Orinoco Sword-nosed Bat is dark brown dorsally and paler ventrally. Pelage is dense, with basal one-third of hairs paler. Hairs are ¢. 9 mm in interscapular region and c. 6 mm in ventral midregion. Noseleaf and ears are long, with granulated surfaces on anterior parts of ears.

Habitat. [.owland savanna with isolated igneous rock outcrops and forested hills below elevations of ¢. 300 m.

Food and Feeding. No information.

Breeding. Pregnant Orinoco Sword-nosed Bats were recorded in July, and a non-reproductive female was found in October.

Activity patterns. Orinoco Sword-nosed Bats roost in rocky outcrop crevices and small caves.

Movements, Home range and Social organization. Orinoco Sword-nosed Bats have been found roosting with Little Big-eared Bats ( Micronycteris megalotis), Greater Whitelined Bats ( Saccopteryx bilineata), and Trinidad Dog-like Bats ( Peropteryx trinitats).

Status and Conservation. Classified as Vulnerable on The IUCN Red List.

Bibliography. Hernandez-Camacho & Cadena (1978), Lee et al. (2000), Lim, B.K. et al. (2016), Linares & Ojasti (1971), Williams & Genoways (2008).