Daubenton's Bat - Myotis daubentonii


Daubenton's bat is a small to medium-sized bat. It's fur is brownish-grey on the back and silvery-grey on the underside. Juveniles have darker fur than adults. They have reddish-pink faces and noses, with a bare area around the eyes. The ears are small.  The wings and tail membrane are dark brown.

Length typically 45 mm to 55 mm. Average wingspan 240 mm to 275 mm. Weight between 7 g and 15 g.

Best frequency for listening to calls is 35 kHz to 45 kHz.  The call repetition rate is very fast and the calls sound like 'tik-ke'.

Hunts insects over water, often flying low across the surface.

Identification difficulty

Daubenton's bat is mostly found in woodland and always roosts near to water, as it hunts insects over water.

In the summer they form colonies in caves, tunnels, and underneath bridges. The colonies are always near water. It  hibernates in similar locations from September to late March or April.

When to see it

Daubenton's bat emerges at twilight to hunt between April and September.

UK Status

Found throughout the British Isles.

VC55 Status

Uncommon in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map