Bat recordings

Sunday, 4 October 2026

Warleigh Nature Reserve, River Avon, near Bath

373 recordings from 18:50:07 to 20:23:00. The first was 10 minutes after sunset.

Species detected

SpeciesRecordingsConfirmedActive
Soprano pipistrelle 127 116 +19 to +101 min
Noctule · Noctule, Leisler's or serotine 41 2 +42 to +101 min
Grey long-eared bat · Long-eared bat protected 25 0 +29 to +101 min
Serotine · Noctule, Leisler's or serotine 22 14 +68 to +102 min
Brown long-eared bat · Long-eared bat 21 0 +41 to +101 min
Nathusius' pipistrelle 15 0 +89 to +101 min
Leisler's bat · Noctule, Leisler's or serotine 12 3 +25 to +81 min
Daubenton's bat · Myotis, 50 kHz group 6 1 +43 to +82 min
Common pipistrelle 5 1 +19 to +91 min
Whiskered bat · Myotis, 50 kHz group 4 0 +45 to +82 min
Natterer's bat 3 1 +55 to +60 min
Brandt's bat · Myotis, 50 kHz group 2 0 +73 to +82 min
Alcathoe bat · Myotis, 50 kHz group protected 1 0 +30 to +30 min
Lesser horseshoe bat protected 1 1 +41 to +41 min

Confirmed means another classifier detected the same species on that recording.

Through the night

Recordings per 10 minutes, from 10 to 110 minutes after sunset. The shapes show when each species was active. Totals are on the right.
Soprano pipistrelle 10 to 20 min after sunset: 3 recordings20 to 30 min after sunset: 23 recordings30 to 40 min after sunset: 18 recordings40 to 50 min after sunset: 18 recordings50 to 60 min after sunset: 20 recordings60 to 70 min after sunset: 3 recordings70 to 80 min after sunset: 1 recording80 to 90 min after sunset: 4 recordings90 to 100 min after sunset: 34 recordings100 to 110 min after sunset: 3 recordings 127
Noctule 40 to 50 min after sunset: 1 recording50 to 60 min after sunset: 4 recordings60 to 70 min after sunset: 1 recording70 to 80 min after sunset: 2 recordings80 to 90 min after sunset: 2 recordings90 to 100 min after sunset: 29 recordings100 to 110 min after sunset: 2 recordings 41
Grey long-eared bat 20 to 30 min after sunset: 1 recording50 to 60 min after sunset: 2 recordings60 to 70 min after sunset: 1 recording90 to 100 min after sunset: 19 recordings100 to 110 min after sunset: 2 recordings 25
Serotine 60 to 70 min after sunset: 1 recording70 to 80 min after sunset: 16 recordings100 to 110 min after sunset: 5 recordings 22
Brown long-eared bat 40 to 50 min after sunset: 3 recordings50 to 60 min after sunset: 1 recording80 to 90 min after sunset: 3 recordings90 to 100 min after sunset: 13 recordings100 to 110 min after sunset: 1 recording 21
+30m +60m +90m

Recordings