Piotr Naskrecki / Sundevall's roundleaf bat (Hipposideros caffer), Gorongosa National Park, Sofala, Mozambique. Controlled conditions

Piotr Naskrecki / Sundevall's roundleaf bat (Hipposideros caffer) in flight, Gorongosa National Park, Sofala, Mozambique. Controlled conditions

Naskrecki & Guyton / Sundevall's roundleaf bat (Hipposideros caffer) in flight, Gorongosa National Park, Sofala, Mozambique. Controlled conditions

Naskrecki & Guyton / African trident bat (Triaenops afer) takes a drink at a pond in Gorongosa National Park, Mozambique.

Chien Lee / Madagascar Sucker-footed Bat (Myzopoda aurita) female roosting within unfurled leaf, Fianarantsoa Province, Madagascar

Hermann Brehm / Common Vampire Bat ( Desmodus rotundus) with teeth bared, Pantanal, Brazil

Hermann Brehm / Commpon vampire bat ( Desmodus rotundus) group, Pantanal, Brazil

Juergen Freund / Diadem Leaf-nosed Bat (Hipposideros diadema reginae) at the Tolga Bat Hospital, Queensland, Australia, June.

Hermann Brehm / Common Vampire Bat (Desmodus rotundus) group roosting, Pantanal, Brazil.

Roland Seitre / Theobold's bat (Taphozous theobaldi) two hanging from ceiling in Prasat Preah Kahn temple, Angkor complex, Siem Reap, Cambodia.

Roland Seitre / Theobold's bat (Taphozous theobaldi) four hanging upside down in Bayon Temple, Siem Reap, Angkor, Cambodia.

Roland Seitre / Andersen's leaf-nosed bat (Hipposideros pomona) group roosting on walls of Bayon Temple, Siem Reap, Angkor, Cambodia.