Pond bat

Nicknamed the “fisher bat” because of its water-skimming habits

Gilles San Martin


Pond bat

EXEWCRENVUNTLCDDNE

Nicknamed the “fisher bat” because of its water-skimming habits

Population
30% decline over the last 15 years

A fascinating and somewhat mysterious species of bat found across parts of Europe and central Asia. Unlike many bats that spend their nights flitting through forests or hunting in open fields, the Pond bat is strongly tied to water. True to its name, it favors ponds, lakes, rivers, and canals, where it skims just above the surface to catch insects. Its long, broad wings and large feet are perfectly designed for this hunting style—allowing it to scoop prey such as midges, beetles, and aquatic insects straight off the water. This watery lifestyle makes it stand out from many of its relatives in the Myotis genus, which often hunt higher in the air or in wooded habitats.

One of the most distinctive features of the Pond bat is its choice of roosts. In summer, females form maternity colonies in hollow trees, attics, and old buildings, where they raise their pups together in warm, sheltered spaces. Males, on the other hand, tend to roost alone or in much smaller groups. As autumn arrives, these bats gather at underground sites such as caves, bunkers, and abandoned cellars for hibernation. What makes them unusual is their ability to travel very long distances between summer and winter roosts. This migratory behavior is rare among European bats and highlights their unique adaptability.

Socially and behaviorally, the Pond bat is more secretive than many of its cousins. It is considered a rare species, often overlooked because it hunts low over water, where it is harder to spot with standard bat detectors. Its echolocation calls are also slightly different—lower in frequency—helping it detect insects at or just above the water surface. These adaptations make it a specialist, in contrast to more generalist bats like the common pipistrelle that feed almost anywhere.

Distribution

Country
Population est.
Status
Year
Comments
Belarus
2016
Belgium
2016
Bulgaria
2016
China
2016
Czechia
2016
Denmark
2016
Estonia
2016
Finland
2016
France
2016
Germany
2016
Hungary
2016
Kazakhstan
2016
Latvia
2016
Lithuania
2016
Luxembourg
2016
Moldova
2016
Montenegro
2016
Netherlands
2016
Poland
2016
Romania
2016
Russia
2016
Serbia
2016
Slovakia
2016
Sweden
2016
Ukraine
2016

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Group

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No