Natterer’s Bat

Eric Medard / naturepl

Natterer’s Bat

Natterer’s Bat facts

Status

Native and Least Concern

Native and listed as Least Concern on the global IUCN Red List of Threatened Species. Protected in the UK under the Wildlife and Countryside Act, 1981. European Protected Species under Annex IV of the European Habitats Directive.

Scientific name

Myotis nattereri

Average Lifespan

Up to 7 years

Length

4 - 5cm

Wingspan

24.5 - 30cm

Weight

7 - 12g

Surveying Services

Overview

Found throughout much of the British Isles including some populations up into Scotland and Northern Ireland, although, numbers remain scare.

The UK populations are of international importance and recommendations to conserve Natterer’s bats includes discouraging the conversion of barns and protecting wintering sites.

Their broad wings allow for slow, highly manoeuvrable flight and are recognizable by their distinctive pinkish-coloured limbs.

Few summer roosting sites are known for Natterer’s bats. Most are found in older buildings with large expanses of beams such as castles, timber barns and churches. During winter, these bats hibernate in caves and rocky crevices.

Sampling Advice

  • A dropping sample with sufficient biological material to be used as a reserve is required in case the extraction is unsuccessful the first time: the fresher a sample is, the more likely the test will be able to extract viable DNA.
  • Other viable sample types include fur/hair, tissue and blood.

Surveying Season

Optimal survey period =
Sub-optimal survey period =

Bat droppings

Can survey all-year-round. Most active from March to November. Droppings found within roosts can be analysed outside of active periods.

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