Wild life and nature of Samos, Ikaria & Fournoi

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Botta’s Serotine (Eptesicus anatolicus)


The serotine bat is a common bat with large ears and a wingspan of around 37 cm. It has long fur which is smoky-brown on the back, while the underparts color is a paler yellowish-brown. The nose and triangular shaped ears are black, and the membranes of the wings are dark black or brown. The juveniles are darker than the adults. Serotine bats are easy to identify in flight, because of its broad wings combined with its slow, highly maneuverable, flapping flight interspersed with brief glides.


The species can be found in a wide range of semi-arid habitats including lowland farms, rocky mountains and also among Mediterranean vegetation. It is a crevice dwelling species inhabiting buildings, ruins (including tombs) and natural rock crevices throughout the year.


The botta’s serotine often hunt in woodland. The species is an aerial hawker, focusing on hunting flying prey. They feed on dung beetles, moths and chafer species, but its diet depends greatly on the location.

Protection Status

The bat is currently listed as "least concern" on the IUCN Red List. No special conservation needs at this moment.

Interesting facts

The serotine bat usually sticks to a colony size of 2 to 14 which can still be enough to provide body heat for one another without attracting the attention of predators. Serotine bat colonies are fairly small in the bat kingdom, The largest colony in the world inhabits Bracken Cave which host an estimated 20 million Mexican Free-tailed Bats during the summer period.

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