Bats are the only mammals that truly fly, rather than just gliding. The bats are very numerous, there being well over 900 recognised species. They are divided into two types - the megabats, which mainly eat fruit, and the microbats, which mainly eat insects.
From The Great British Year
Night time cameras capture bats as they feast on insects after the winter fast.
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BBC News about Bats
Bats roost in meat-eating plants Bats in Borneo have been found roosting in carnivorous pitcher plants.
Hedgerow boost for Devon's bats Devon Wildlife Trust is awarded £25,000 to help conserve hedgerows for Devon's bats.
Traffic noise is 'bad for bats' Highways can make it difficult for greater mouse-eared bats to find their prey, according to a new study.
New bat species found in Ecuador A tiny new species of bat is discovered in the western slopes of the Andes in northwestern Ecuador.
Lords of the Twilight Zone As twilight descends, a battle for supremacy begins between the animals of the half light.
Wind turbines 'lure in' animals Wind turbines attract insects, which may explain why their blades strike and kill significant numbers of insect-eating bats and birds.
Steps to boost forest bat numbers Artificial roost are set up in a Cumbrian forest to try to increase the bat population.
Colony of bats stall bridge work A colony of bats stalls gas pipe improvement works at a bridge in Leeds, West Yorkshire.
Bat and moth arms race revealed A pair of studies cast light on a new strategy one bat uses to catch moths, and the way one moth deals with the threat.
In pictures: Bat surveying in the Forest of Dean Members of the Gloucestershire Bat Group have been recording Bechstein's bats in the county.
Bat surveying takes place in Gloucestershire A team of volunteers is carrying out a survey of rare Bechstein's bats in Gloucestershire.
National Trust opens first bat reserve The National Trust for Scotland launches the country's first dedicated bat reserve at its estate near Castle Douglas.
Herschel Park get bat boxes during restoration project A Grade II listed Berkshire park which is being restored to its former Victorian glory is having bat nesting boxes installed.
Night-time creatures 'in crisis' Two of the UK's nocturnal creatures are "in crisis", say conservation groups, who are asking the public to take part in a national survey.
'Echoes' in bat and dolphin DNA Scientists have found a striking similarity in the DNA that enables some bats and dolphins to echolocate.
Noise pollution threatens animals Noise pollution is becoming a major threat to the welfare of wildlife, according to a scientific review.