Bats (Michel Barastraud)
Bats (Michel Barastraud) — Eptesicus serotinus - typical nocturnal hunt over street lights - irregular pulse rate - 25 kHz 01:08
Bats (Michel Barastraud) — Myotis daubentonii - hunting in undergrowth (no perceptible sinusoidal amplitude modulation) - about 44 kHz 00:22
Bats (Michel Barastraud) — Myotis mystacinus - echolocation around the shelter of the nursery colony, with social calls - about 45 kHz 00:34
Bats (Michel Barastraud) — Barbastella barbastellus - hunting in a woodland ride - alternation, but the second type is more modulated 00:36
Bats (Michel Barastraud) — Pipistrellus nathusii - social call emitted during encounter with P pipistrellus (non-cyclic structure) 00:26
Bats (Michel Barastraud) — Hypsugo savii - two bats hunting near the edge of a forest (FM with a slow beginning) and social calls 01:15
Bats (Michel Barastraud) — Myotis daubentonii - hunting over a river in undergrowth (very strong sinusoidal amplitude modulation) - about 43 kHz 00:38
Bats (Michel Barastraud) — Myotis capaccinii - hunting over a river flanked by trees (perceptible sinusoidal amplitude modulation) - about 42 kHz 00:35
Bats (Michel Barastraud) — Pipistrellus pipistrellus - nocturnal hunt over street lights - slow and irregular pulse rate - 45 kHz 00:47
Bats (Michel Barastraud) — Eptesicus nilssonii - low flight after emergence from the roost (notice the steep FM on approaching obstacles) 01:09
Bats (Michel Barastraud) — plecotus auritus - flying at the edge of a forest - alternation of two types of structure 01:08
Bats (Michel Barastraud) — Barbastella barbastellus - hunting in undergrowth - only 2nd type modulated about 45 kHz 00:36
Bats (Michel Barastraud) — Myotis mystacinus - hunting at the forest's edge (for comparison: more modulated structure + FM) - 49 kHz 00:50
Bats (Michel Barastraud) — Barbastella barbastellus - Corsican bat in an open habitat : strong local accent - about 32 kHz 00:55
Bats (Michel Barastraud) — Nyctalus leisleri - structural modification as the bat approaches an obstacle 00:39
Bats (Michel Barastraud) — Pipistrellus pipistrellus - hunting at the forest's edge - rapid and regular pulse rate - 45 kHz 00:35
Bats (Michel Barastraud) — Vespertilio murinus - typical high-level hunt over a wooded river - 24 kHz 01:25
Bats (Michel Barastraud) — Vespertilio murinus - bat hunting at the edge of a forest (many FM signals with progressive beginnings) - 25 kHz 00:51
Bats (Michel Barastraud) — Myotis baubentonii - sinusoidal amplitude modulation (rolling structure) 00:31
Bats (Michel Barastraud) — Myotis bechsteinii - flying near the edge of a forest, close to the foliage - about 48 kHz 00:21
Bats (Michel Barastraud) — Barbastella barbastellus - flying near the edge of a forest, around a building, with social calls - about 35 kHz 00:37
Bats (Michel Barastraud) — Barbastella barbastellus - hunting along a hedgerow - alternation of two types of signals : 33 and 41 kHz 00:32
Bats (Michel Barastraud) — Pipistrellus pipistrellus - social calls in the nursing colony (adults and juveniles) 00:42
Bats (Michel Barastraud) — Eptesicus nilssonii - typical hunt over street lights (amplitude alternation) - 28,5 kHz 00:45
Bats (Michel Barastraud) — Plecotus auritus - flying at the edge of a forest, further from the foliage - shortly levelled FM - about 25 kHz 00:22
Bats (Michel Barastraud) — Myotis daubentonii - hunting over a pond's surface (perceptible sinusoidal amplitude modulation) - about 42 kHz 00:27
Bats (Michel Barastraud) — Plecotus auritus - hunting at the edge of a forest, near the foliage - steep FM, short signal - about 40 kHz 00:51
Bats (Michel Barastraud) — Nyctalus noctula - group hunting inside a park with tall trees (FM 25 kHz) and above (CF of 20 kHz + alternating FM) a hedge 00:37
Bats (Michel Barastraud) — Nyctalus noctula - social calls emitted around a roost in dense undergrowth (about 40 kHz) 00:33
Bats (Michel Barastraud) — Eptesicus serotinus - hunting at dusk over a meadow (ame behavior as M myotis track 29) - 27 kHz 00:45
Bats (Michel Barastraud) — Tadarida teniotis - hunting over a river (with p kuhlii) - 14 kHz 00:33
Bats (Michel Barastraud) — Pipistrellus pipistrellus - social calls emitted in flight - 17 and 20 kHz 00:51
Bats (Michel Barastraud) — Nyctalus leisleri - social calls emitted in flight - 15 kHz 00:38
Bats (Michel Barastraud) — Myotis mystacinus - hunting at the forest's edge - about 49 kHz 00:39
Bats (Michel Barastraud) — Nyctalus noctula - alternation of chort CF and medium levelled FM 00:45
Bats (Michel Barastraud) — Myotis bechsteinii - flying along a forested path - about 45 kHz 00:44
Bats (Michel Barastraud) — Vespertilio murinus - social calls of juveniles in the roost 00:21
Bats (Michel Barastraud) — Myotis myotis, blythii - hunting over street lights (with pipistrelles) - 30 kHz 00:36
Bats (Michel Barastraud) — Eptesicus serotinus - hunting among foliage of large oak trees - steep FM 27 kHz 00:50
Bats (Michel Barastraud) — Myotis dascyneme - flying in an overgrown area - about 40 kHz 00:31