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Daubenton's bat

Myotis daubentonii

Distribution and abundance; Legal and Conservation Status; Population Trends

Description

Daubenton's bat (Hugh Clark)Daubenton's bat factsheet

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The Daubenton's bat is a medium-sized bat which characteristically flies and forages just above water. It often uses its large feet to trawl for insects from the water surface. In the summer months it roosts near water using bridges and holes in trees. It mainly eats small flies, especially chironomid midges. Data on the population trends of the Daubenton's bats are collected through two surveys: Hibernation Surveys and the Waterway Survey. 

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Distribution and abundance

The Daubenton's bat is fairly widespread up to northern Scotland and in Northern Ireland. The maps show the current mapped distribution in the UK on the left and the modelled range in the UK on the right. Maps are taken from 2nd Report under Article 17 on implementation of the Habitats Directive (JNCC 2007).

Daubenton's bat distribution map Daubenton's bat modelled range

Population estimate

Note: The population estimates are considered to be poor and should be treated with caution. Estimates are based on very limited or no population data and rely on expert opinion only

Country

UK

England

Wales

Scotland

N.Ireland

Number

560,000

95,000

15,000

40,000

410,000

 Source

 

 Harris et al. 1995

 Harris et al. 1995

 Harris et al. 1995

 Russ 1999

 


Legal and Conservation Status

All bat species in the UK are legally protected, both by domestic and international legislation.

Click here for a summary table of all legislation and conventions relating to bat species

Daubenton's bat is widespread throughout Europe and the UK.  Factors affecting water quality, riparian habitats including the availability of roosts in trees and artificial structures in these habitats, and underground hibernation sites could all affect populations of this species.


 Click here to continue to the population trends for Daubenton's bat


References

Harris S., Morris, P., Wray, S. & Yalden, D. (1995) A review of British mammals: population estimates and conservation status of British mammals other than cetaceans. JNCC, Peterborough.

Russ, J.M. 1999. The Microchiroptera of Northern Ireland: community composition, habitat associations and ultrasound. Unpublished PhD thesis. Queen’s University, Belfast.

 

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