Mammal
Serotine Bat
Eptesicus serotinus · Vespertilionidae · Chiroptera
Best monthsJun–Augmost records
Records184,615in 36 countries
Most seen inFrance140,626 records
Red ListLeast concernIUCN status
About
Serotine Bat in brief
The serotine bat (Eptesicus serotinus) is a mammal of the Vespertilionidae family — species of mammal.
Across the 36 countries we cover it has 184,615 published records, most of them from France, the Netherlands and Denmark. It is strongly seasonal: records peak in June, July and August and fall to their lowest in November and December.
Its global conservation status is least concern on the IUCN Red List.
Records by month
All countries combined · the strongest months highlightedJFMAMJJASOND
Where & when
When to look in each country
France140,626 records · best Jul, Aug
Netherlands15,118 records · best Jun, Jul
Denmark7,914 records · best Jul, Aug
Switzerland5,208 records · best Jun, Jul
Ukraine3,941 records · best Aug, Jul
United Kingdom3,744 records · best Jul, Aug
Spain2,059 records · best Jul, May
Belgium1,713 records · best Jun, Jul
Germany1,234 records · best Jun, Aug
Luxembourg874 records · best Jul, Jun
Poland692 records · best Jul, Aug
Portugal478 records · best Aug, Jul
Bulgaria288 records · best Jul, Apr
Georgia165 records · best Jul, Aug
Austria142 records · best Jun, Aug
Belarus89 records · best Jun, Jul
North Macedonia72 records · best Aug, Sep
Liechtenstein55 records · best Jul, Jun
Czechia34 records · best Jul, Aug
Syria27 records · best Jun, Aug
Romania25 records · best Aug, Jul
Croatia24 records · best Jul, Aug
Slovakia22 records · best Aug, Jul
Slovenia18 records · best Jul, Aug
South Korea12 records · best Jul, Oct
Kazakhstan12 records · best Jul, May
Turkmenistan7 records · best Jun, Jul
Montenegro5 records · best Jun, Sep
Bosnia and Herzegovina4 records · best Jul, Jan
Finland3 records · best Apr, May
Uzbekistan3 records · best Jan, Apr
Lebanon2 records · best Jun, Jan
Tajikistan2 records · best Mar, Aug
Cyprus1 records · best Apr, Jan
Armenia1 records · best Jul, Jan
Palestine1 records · best Jan, Feb
Map
Where it has been recorded
Density of published records; brighter cells have more records.
Relatives
All mammalsMore of the Vespertilionidae family
Photo: Fourrure from France · CC BY-SA 2.0 · Wikimedia CommonsReport this photo · linked, not stored
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Common long-eared bat
Plecotus auritus