2 bats, flying, Gålö

DATUM FÖR OBSERVATION
Sighting Details
Vad observerade du?
Annan (Vad observerade du?)
One larger and one smaller bat. Flying. During dusk. Period about 45min. At least 2 bats, One significantly larger compared to the other one. (Did not see them in the air together).
Kan du ge mer information om observationen, t.ex. beteende, livsmiljö etc:

2 bats flying. Hunting? During a 40 min period. 

Hur många fladdermöss såg du?
2-10
Hur identifierade du dem
Visuellt identifierad fladdermus