Lesser noctule

Nyctalus leisleri

4,848Records since 2000

JunePeak month

55Counties with records

Least ConcernIUCN Red List

When it is recorded

Jan3

Feb4

Mar2

Apr4

May521

Jun1,833

Jul1,148

Aug1,009

Sep266

Oct12

Nov1

Dec2

GBIF records by month, 2000–2025 (all years combined).

#	County	Nation	Records
1	Dumfries and Galloway	Scotland	3,448
2	North Ayrshire	Scotland	328
3	East Ayrshire	Scotland	274
4	South Ayrshire	Scotland	147
5	South Lanarkshire	Scotland	111
6	Armagh City, Banbridge and Craig	Northern Ireland	36
7	Fermanagh and Omagh	Northern Ireland	31
8	Lisburn and Castlereagh	Northern Ireland	29
9	Belfast	Northern Ireland	22
10	Newry, Mourne and Down	Northern Ireland	21
11	Kent	England	20
12	Devon	England	19
13	Ards and North Down	Northern Ireland	19
14	Antrim and Newtownabbey	Northern Ireland	17
15	Derry City and Strabane	Northern Ireland	12

237 England4,386 Scotland16 Wales204 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 55 counties in all.

Records since 2000: 4,848
Peak month: June
Counties with records: 55
IUCN Red List: Least Concern
Scientific name: Nyctalus leisleri
Group: Mammals
NBN Atlas records since 2000: 4,919
Most recorded in: Dumfries and Galloway, North Ayrshire, East Ayrshire, South Ayrshire, South Lanarkshire
Conservation designations: Bern Convention, Wildlife and Countryside Act 1981, Convention on Migratory Species, Habitats Directive, Habitats Regulations (NI) 1995, GB Red List (2001 IUCN criteria), Habitats Regulations 2010
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Vespertilionidae
Genus: Nyctalus
Name with authority: Nyctalus leisleri (Kuhl, 1817)
Described: 1817
Contributing datasets: 25