Saccopteryx antioquensis, Munoz & Cuartas, 2001

Bonaccorso, Frank, 2019, Emballonuridae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 350-373 : 372

53 . Antioquian Sac-winged Bat

Saccopteryx antioquensis

French: Saccoptère d'Antioquia / German: Antioquia-Sackflügelfledermaus / Spanish: Sacóptero de Antioquia

Other common names: Antioquian White-lined Bat

Taxonomy. Saccopteryx antioquensis Munoz & Cuartas, 2001 ,

“ Colombia, Antioquia, municipio de Sonsón, vereda La Soledad, distante ca. 15 km, este del municipio de Sonsón ; 1200 msnm [= meters above sea level], cordillera Central ... coordinates 5° 40 ’ N; 75° 05’ W.”

This species is monotypic.

Distribution. Endemic to SE Antioquia Department, Colombia, along E slope of C Andes Range.

Descriptive notes. Head-body 40-44 mm, tail 10-12 mm, ear 11-13 mm, hindfoot 7—8 mm, forearm 36-2—38 mm; weight 5 g (single individual). Dorsal fur of the Antioquian Sac-winged Bat is uniformly dark brown, without wavy white lines found in some other species of Saccopteryx . Venter is slightly paler than dorsum and bicolored, with basal one-third of hairs brown and distal part of hairs yellow-brown. Flight membranes are black. Radio-metacarpal sacs are present in propatagia and prominently developed in males.

Habitat. Humid mid-elevation primary and riparian forests growing on karst formations and towns at elevations 650-1200 m.

Food and Feeding. The Antioquian Sac-winged Bat is a small aerial insectivore that forages in open forests and over rivers.

Breeding. No information.

Activity patterns. Holotype was collected while roosting on a church wall. It also roosts in limestone caves.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Endangered on The IUCNRed List. The Antioquian Sac-winged Bat is known from only two localities and surveys in recent years failed to record it. Presumed extent of occurrence represents more than 5000 km2. There is very littie information on its status, threats, and ecological requirements. It seems to have specific karst habitat and roost requirements, and forests nearby these areas are subject to changes in land use. It also might be threatened at roost sites. Karst caves in its distribution are threatened from recreational use and uncontrolled access of visitors. Lowland forests nearby in its small distribution are being rapidly converted to agriculture. The Antioquian Sac-winged Bat is not protected in any existing reserves. Conservation actions effectively might include echolocation surveys around its known distribution and protection of some of karst forests and cave roosts in its distribution.

Bibliography. Munoz & Cuartas (2001), Solari (2016 b).

Figures

On following pages: 40. Lesser Ghost Bat (Diclidurus scutatus); 41. Isabelline Ghost Bat (Diclidurus isabella); 42. Lesser Dog-like Bat (Peropteryx macrotis); 43. Greater Dog-like Bat (Peropteryx kappleri); 44. Trinidad Dog-like Bat (Peropteryx trinitatis); 45. White-winged Dog-like Bat (Peropteryx leucoptera); 46. Pale-winged Dog-like Bat (Peropteryx pallidoptera); 47. Thomas's Shaggy Bat (Centronycteris centrali); 48. Common Shaggy Bat (Centronycteris maximiliani); 49. Proboscis Bat (Rhynchonycteris naso); 50. Greater Sac-winged Bat (Saccopteryx bilineata}; 51. Lesser Sac-winged Bat (Saccopteryx leptura); 52. rosted Sac-winged Bat (Saccopteryx canescens); 53. Antioquian Sac-winged Bat (Saccopteryx antioquensis); 54. Amazonian Sac-winged Bat (Saccopteryx gymnura).

Distribution. Endemic to SE Antioquia Department, Colombia, along E slope of C Andes Range.