Lonchorhina orinocensis, Linares & Ojasti, 1971

Don E. Wilson & Russell A. Mittermeier, 2019, Phyllostomidae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 444-583 : 498

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).

Figures

1. Californian Leat-nosed Bat (Macrotus californicus), 2. Waterhouse’s Leaf-nosed Bat (Macrotus waterhousu), 3. Orange-throated Bat (Lampronycteris brachyotis), 4. Tiny Big-eared Bat (Micronycteris minuta), 5. Sanborn’s Big-eared Bat (Micronycteris sanborni), 6. Schmidts’ Big-eared Bat (Mucronycteris schmidtorum), 7. Yates’s Big-eared Bat (Micronycleris yaltest), 8. Hairy Big-eared Bat (Muicronycteris hirsuta), 9. Brosset’s Big-eared Bat (Micronycteris brosseti), 10. Giovanni's Big-eared Bat (Micronycteris giovanniae), 11. Matses Big-eared Bat (Micronycteris matses), 12. Litde Big-eared Bat (Micronycteris megalotis), 13. Common Big-eared Bat (Micronycteris microtis), 14. Saint Vincent Big-eared Bat (Micronycteris buriri), 15. Common Vampire Bat (Desmodus rotundus), 16. White-winged Vampire Bat (Diaemus youngii), 17. Hairy-legged Vampire Bat (Diphylla ecaudata), 18. Common Sword-nosed Bat (Lonchorhina aurita), 19. Fernandez’s Sword-nosed Bat (Lonchorhina fernandez), 20. Uncommon Sword-nosed Bat (Lonchorhina inusitata), 21. Orinoco Sword-nosed Bat (Lonchorhina orinocensis), 22. Chiribiquete Sword-nosed Bat (Lonchorhina mankomara), 23. Marinkelle’s Sword-nosed Bat (Lonchorhina marinkellei)

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