David Woodfall / Lesser horseshoe bats (Rhinolophus hipposideros) in magnesium mine, Shropshire, England, UK, April.

Robert Valentic / Short-nosed fruit-bat (Cynopterus brachyotis) roosting, Ko Chang Island, Thailand.

Paul Hobson / Leaf-nosed bat (Phyllostomidae sp), three nectaring on flower. Costa Rica.

Paul Hobson / Leaf-nosed bat (Phyllostomidae sp) flying towards Banana (Musa sp) flower to feed. Costa Rica.

Will Burrard-Lucas / Aerial view of Miombo woodland, Niassa Reserve, Mozambique. Photographed from a Bat Hawk light aircraft. November 2011.

Phil Savoie / White tent making bat (Ectophylla alba) roosting in Heleconia leaf, La Selva Field Station, Costa Rica.

Piotr Naskrecki / Straw-colored Fruit Bat (Eidolon helvum) group roosting, Maputo, Mozambique

Piotr Naskrecki / Dobson's Pipistrelle (Pipistrellus grandidieri) pair drinking, Gorongosa National Park, Mozambique

Piotr Naskrecki / Butterfly Bat (Glauconycteris variegata) drinking, Gorongosa National Park, Mozambique

Piotr Naskrecki / Decken's Horseshoe Bat (Rhinolophus deckenii) drinking, Gorongosa National Park, Mozambique

Piotr Naskrecki / Toltec Fruit-eating Bat (Artibeus toltecus) flying, Monteverde Cloud Forest Reserve, Costa Rica

Piotr Naskrecki / Chestnut Short-tailed Bat (Carollia castanea) flying, La Selva Biological Reserve, Costa Rica