Balantiopteryx

• Least Sac-winged Bat Balantiopteryx io

  

  This small bat occurs in lowland areas from Mexico into Central America. It mainly roosts in caves, and males have a small pouch in the wing membrane.

• Gray Sac-winged Bat Balantiopteryx plicata

  

  A white edge on the wing membrane contrasts with this bat's pale-gray to dark-brown back. A diet study in a fragmented dry forest in Mexico found that its prey mix differed from that of two other bat species in the same community.

• Ecuadorian Sac-winged Bat Balantiopteryx infusca

  The Ecuadorian Sac-winged Bat is a small bat whose back and belly have different layers of fur color. It catches small insects in flight and roosts in caves or abandoned railway tunnels.

• Gray Sac-winged Bat Balantiopteryx plicata

  

  A white edge on the wing membrane contrasts with this bat's pale-gray to dark-brown back. A diet study in a fragmented dry forest in Mexico found that its prey mix differed from that of two other bat species in the same community.

• Least Sac-winged Bat Balantiopteryx io

  

  This small bat occurs in lowland areas from Mexico into Central America. It mainly roosts in caves, and males have a small pouch in the wing membrane.