Saccopteryx

• Greater Sac-winged Bat Saccopteryx bilineata

  

  This bat is marked by two white lines on its back. It roosts by day under bridges, in caves, or in hollow trees, then hunts insects at night.

• Frosted Sac-winged Bat Saccopteryx canescens

  

  Saccopteryx canescens has pale-brown to grayish fur and faint lines on its back. In Bolivia, records are limited to Santa Cruz, and the bat feeds on insects.

• Brown White-lined Bat Saccopteryx leptura

  

  This small bat has two pale stripes along its back. It catches small flying insects, and small groups have been recorded roosting on tree trunks and similar places in lowland forests.

• Antioquian Sac-winged Bat Saccopteryx antioquensis

  This small sac-winged bat from Colombia lacks pale dorsal stripes. It catches insects in flight and is known from 2 localities.

• Amazonian Sac-winged Bat Saccopteryx gymnura

  The Amazonian sac-winged bat is a small South American emballonurid. Records are exceptionally sparse, leaving major gaps in its known range and roosting ecology.

• Brown White-lined Bat Saccopteryx leptura

  

  This small bat has two pale stripes along its back. It catches small flying insects, and small groups have been recorded roosting on tree trunks and similar places in lowland forests.

• Greater Sac-winged Bat Saccopteryx bilineata

  This bat is marked by two white lines on its back. It roosts by day under bridges, in caves, or in hollow trees, then hunts insects at night.

• Frosted Sac-winged Bat Saccopteryx canescens

  Saccopteryx canescens has pale-brown to grayish fur and faint lines on its back. In Bolivia, records are limited to Santa Cruz, and the bat feeds on insects.