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UK (AND EUROPEAN) BAT CALL CHARACTERISTICS

UK BAT SPECIES (Name)

BAT SPECIES (Latin Name)

PEAK FREQUENCY (kHz)

CALL FREQ. RANGE   (kHz)

CALL DURATION (mSec)

INTER-CALL PERIOD (mSec)

CALL SOUND DESCRIPTION

Alcathoe

Myotis alcathoe

52 (48-65)

40-130

2-6

50-90

Slightly dry calls

Barbastelle

Barbastelle barbastellus

41 (30-44)

25-48

2-4

50-75

Castanette like smacks, quiet

Bechstein's

Myotis bechsteinii

42 (38-50)

25-100

2-6

90-110

Very fast series of clicks, quiet

Brandt's

Myotis brandtii

47 (37-50)

23-100

4-7

80-110

Very fast series of clicks, medium loud

Brown Long-Eared

Plecotus auritus

33 (22-40)

18-60

2-5

40-80

Clicks and ticks, quiet

Common Pipistrelle

Pipistrellus pipistrellus

46 (41-52)

41-70

3-10

75-130

Wet slaps and clicks, loud

Daubenton's

Myotis daubentonii

47 (37-55)

25-95

3-7

65-95

Very fast series of clicks, medium loud

Greater Horseshoe

Rhinolophus ferrumequinum

81 (77-86)

50-88

35-75

80-120

Warbling sounds, loud, very directional

Greater Mouse Eared

Myotis myotis

 36 (27-37)

21-75

5-10

90-160

Loud, dry calls - Short starting calls

Grey Long-Eared

Plecotus austriacus

32 (22-32)

20-50

2-6

220-260

Clicks and ticks, quiet

Leisler's (Lesser Noctule)

Nyctalus leisleri

27 (21-30)

22-40

5-20

200-300

Slow irregular metallic clicks, loud

Lesser Horseshoe

Rhinolophus hipposideros

110 (106-116)

75-116

30-60

60-100

Warbling sounds, loud, very directional

Nathusius's Pipistrelle

Pipistrellus nathusii

39 (35-42)

35-70

5-12

100-130

Similar to Common and Soprano Pipistrelle

Natterer's

Myotis nattereri

47 (28-53)

12-150

2-5

75-110

Fast series of clicks, medium loud

Noctule

Nyctalus noctula

21 (17-29)

17-40

5-28

150-300

Slow irregular metallic clicks, very loud

Serotine

Eptesicus serotinus

26 (23-29)

22-60

7-18

240-360

Slow irregular smacks, loud

Soprano Pipistrelle

Pipistrellus pygmaeus

55 (50-64)

50-80

3-10

65-95

Wet slaps and clicks, loud

Whiskered

Myotis mystacinus

47 (40-57)

28-95

3-6

70-90

Very fast series of clicks, loud