Bats (Michel Barataud) – Pipistrellus pipistrellus hunting near a hedge at dusk in the summer the pulse rate is rapid and regular

Bats (Michel Barataud) – Pipistrellus pipistrellus hunting near a hedge at dusk in the summer the pulse rate is rapid and regular

1:13

Bats (Michel Barataud) – Pipistrellus pipistrellus hunting far from a hedge during an April night the pulse rate is slow and irregular

1:02

Bats (Michel Barataud) – Myotis daubentonii and Pipistrellus pipistrellus together - 45 kHz

1:27

Bats (Michel Barataud) – Pipistrellus pipistrellus and P. kuhlii - group of bats emitting on different frequencies, Recorded at 45 kHz

1:23

Bats (Michel Barataud) – Social calls of Pipistrellus pipistrellus (20 kHz)

0:45

Bats (Michel Barataud) – Pipistrellus kuhlii - hunting at the edge of a forest at dusk - 39 kHz

0:45

Bats (Michel Barataud) – Pipistrellus kuhlii (levelled frequency modulation) - scanning from 38 to 35 then from 35 to 45 kHz

0:16

Bats (Michel Barastraud) – Pipistrellus pipistrellus - hunting at the forest s edge - rapid and regular pulse rate - 45 kHz

0:35

Bats (Michel Barataud) – Pipistrellus pipistrellus - hunting over a river flanked by trees - 45 kHz

0:55

Bats (Michel Barataud) – Pipistrellus kuhlii - hunting at night in an illuminated village - 38 kHz

1:20

Bats (Michel Barataud) – Pipistrellus piopistrellus - edge of a forest near a pond, group of several bats on various frequencies recorded at 45 kHz

0:45

Bats (Michel Barataud) – Myotis mystacinus - hunting at the edge of a forest 48 kHz ( Pipistrellus pipistrellus crossing note the different sound)

0:52

Bats (Michel Barataud) – Pipistrellus pipistrellus - social calls recorded directly onto audiotape (without detector)

0:54

Bats (Michel Barataud) – Pipistrellus nathusii - hunting over a lake surrounded by forest - 38 kHz

0:37

Bats (Michel Barataud) – Pipistrellus pipistrellus - social calls emitted in flight - 17 kHz (usual frequencies range from 17 to 20 kHz)

0:32

Bats (Michel Barataud) – Pipistrellus nathusii - social calls emitted in flight - recorded on 30 kHz

0:45

Bats (Michel Barataud) – Pipistrellus kuhlii - social calls emitted in flight - 14 kHz (usual frequencies range from 14 to 17 kHz)

0:23

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