Thursday, 1 October 2026
St Laurence Field, near Bradford on Avon
85 recordings from 19:13:15 to 22:45:22. The first was 27 minutes after sunset.
Species detected
| Species | Recordings | Confirmed | Active |
|---|---|---|---|
| Common pipistrelle | 56 | 52 | +27 to +140 min |
| Soprano pipistrelle | 12 | 11 | +41 to +152 min |
| Leisler's bat · Noctule, Leisler's or serotine | 10 | 6 | +41 to +149 min |
| Greater horseshoe bat protected | 8 | 6 | +44 to +46 min |
| Serotine · Noctule, Leisler's or serotine | 4 | 1 | +85 to +149 min |
| Brandt's bat · Myotis, 50 kHz group | 2 | 0 | +95 to +239 min |
| Lesser horseshoe bat protected | 2 | 2 | +226 to +236 min |
| Brown long-eared bat · Long-eared bat | 1 | 0 | +95 to +95 min |
| Grey long-eared bat · Long-eared bat protected | 1 | 0 | +152 to +152 min |
| Nathusius' pipistrelle | 1 | 0 | +37 to +37 min |
| Whiskered bat · Myotis, 50 kHz group | 1 | 1 | +95 to +95 min |
Confirmed means another classifier detected the same species on that recording.
Through the night
Recordings
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19:13:15+27 min- Common pipistrelle (Pipistrellus pipistrellus) · 49 calls · 46.1 kHz · strongest 0.79
All 3 classifiers agree.
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19:19:00+32 min- Common pipistrelle (Pipistrellus pipistrellus) · 14 calls · 47.2 kHz · strongest 0.779
All 3 classifiers agree.
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19:20:08+33 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Lesser horseshoe bat where BatDetect2 found nothing.
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19:20:25+34 min- Common pipistrelle (Pipistrellus pipistrellus) · 24 calls · 48.8 kHz · strongest 0.801
All 3 classifiers agree.
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19:21:00+34 min- Common pipistrelle (Pipistrellus pipistrellus) · 27 calls · 46.5 kHz · strongest 0.823
All 3 classifiers agree.
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19:23:10+37 min- Common pipistrelle (Pipistrellus pipistrellus) · 11 calls · 43.9 kHz · strongest 0.647
- Nathusius' pipistrelle (Pipistrellus nathusii) · 4 calls · 42.9 kHz · strongest 0.718
All 3 classifiers agree.
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19:23:30+37 min- Common pipistrelle (Pipistrellus pipistrellus) · 54 calls · 45.8 kHz · strongest 0.838
All 3 classifiers agree.
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19:26:35+40 min- Common pipistrelle (Pipistrellus pipistrellus) · 22 calls · 48.4 kHz · strongest 0.806
All 3 classifiers agree.
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19:26:44+40 min- Common pipistrelle (Pipistrellus pipistrellus) · 40 calls · 45.8 kHz · strongest 0.814
All 3 classifiers agree.
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19:26:54+40 min- Common pipistrelle (Pipistrellus pipistrellus) · 34 calls · 48 kHz · strongest 0.802
All 3 classifiers agree.
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19:27:10+41 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 58 calls · 55.9 kHz · strongest 0.865
- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 13 calls · 23.6 kHz · strongest 0.708
All 3 classifiers agree.
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19:27:15+41 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 5 calls · 22.9 kHz · strongest 0.717
- Soprano pipistrelle (Pipistrellus pygmaeus) · 2 calls · 54 kHz · strongest 0.758
All 3 classifiers agree.
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19:28:02+41 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 33 calls · 55.5 kHz · strongest 0.842
- Common pipistrelle (Pipistrellus pipistrellus) · 9 calls · 45.8 kHz · strongest 0.68
All 3 classifiers agree.
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19:28:10+42 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 42 calls · 54.8 kHz · strongest 0.851
All 3 classifiers agree.
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19:28:45+42 min- Common pipistrelle (Pipistrellus pipistrellus) · 43 calls · 45.8 kHz · strongest 0.813
All 3 classifiers agree.
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19:28:56+42 min- Common pipistrelle (Pipistrellus pipistrellus) · 9 calls · 44.6 kHz · strongest 0.81
All 3 classifiers agree.
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19:29:14+43 min- Common pipistrelle (Pipistrellus pipistrellus) · 24 calls · 45.4 kHz · strongest 0.802
All 3 classifiers agree.
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19:29:31+43 min- Common pipistrelle (Pipistrellus pipistrellus) · 24 calls · 48.4 kHz · strongest 0.774
All 3 classifiers agree.
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19:30:04+43 min- Common pipistrelle (Pipistrellus pipistrellus) · 22 calls · 45.4 kHz · strongest 0.813
All 3 classifiers agree.
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19:30:15+44 min- Common pipistrelle (Pipistrellus pipistrellus) · 34 calls · 44.2 kHz · strongest 0.834
All 3 classifiers agree.
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19:30:34+44 min- Common pipistrelle (Pipistrellus pipistrellus) · 8 calls · 46.1 kHz · strongest 0.82
All 3 classifiers agree.
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19:30:41+44 min- Common pipistrelle (Pipistrellus pipistrellus) · 13 calls · 46.1 kHz · strongest 0.805
All 3 classifiers agree.
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19:30:49+44 min- Common pipistrelle (Pipistrellus pipistrellus) · 5 calls · 45.4 kHz · strongest 0.8
All 3 classifiers agree.
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19:30:57+44 min- Common pipistrelle (Pipistrellus pipistrellus) · 1 call · 45.4 kHz · strongest 0.747
Kaleidoscope disagrees. Kaleidoscope found no bat here.
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19:31:04+44 min- Common pipistrelle (Pipistrellus pipistrellus) · 7 calls · 45.4 kHz · strongest 0.77
- Greater horseshoe bat (Rhinolophus ferrumequinum) · 3 calls · 80.6 kHz · strongest 0.75
Kaleidoscope disagrees. Kaleidoscope found a bat it could not identify here.
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19:31:12+45 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 12 calls · 81 kHz · strongest 0.674
- Common pipistrelle (Pipistrellus pipistrellus) · 10 calls · 46.1 kHz · strongest 0.782
All 3 classifiers agree.
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19:31:21+45 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 16 calls · 81.4 kHz · strongest 0.718
- Common pipistrelle (Pipistrellus pipistrellus) · 13 calls · 45.8 kHz · strongest 0.783
All 3 classifiers agree.
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19:31:29+45 min- Common pipistrelle (Pipistrellus pipistrellus) · 8 calls · 45.8 kHz · strongest 0.799
- Greater horseshoe bat (Rhinolophus ferrumequinum) · 3 calls · 81 kHz · strongest 0.651
All 3 classifiers agree.
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19:31:38+45 min- Common pipistrelle (Pipistrellus pipistrellus) · 8 calls · 45.6 kHz · strongest 0.75
All 3 classifiers agree.
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19:31:46+45 min- Common pipistrelle (Pipistrellus pipistrellus) · 10 calls · 45.8 kHz · strongest 0.841
All 3 classifiers agree.
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19:31:54+45 min- Common pipistrelle (Pipistrellus pipistrellus) · 19 calls · 45.4 kHz · strongest 0.824
All 3 classifiers agree.
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19:32:03+45 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 10 calls · 80.8 kHz · strongest 0.664
- Common pipistrelle (Pipistrellus pipistrellus) · 4 calls · 45.4 kHz · strongest 0.691
All 3 classifiers agree.
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19:32:10+46 min- Common pipistrelle (Pipistrellus pipistrellus) · 22 calls · 46.3 kHz · strongest 0.836
- Greater horseshoe bat (Rhinolophus ferrumequinum) · 10 calls · 81 kHz · strongest 0.786
All 3 classifiers agree.
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19:32:42+46 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 13 calls · 80.2 kHz · strongest 0.781
All 3 classifiers agree.
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19:32:51+46 min- Common pipistrelle (Pipistrellus pipistrellus) · 40 calls · 45.4 kHz · strongest 0.816
- Greater horseshoe bat (Rhinolophus ferrumequinum) · 8 calls · 81 kHz · strongest 0.704
Kaleidoscope disagrees. Kaleidoscope found a bat it could not identify here.
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19:33:03+46 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 18 calls · 55.9 kHz · strongest 0.806
All 3 classifiers agree.
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19:33:57+47 min- Common pipistrelle (Pipistrellus pipistrellus) · 29 calls · 45.8 kHz · strongest 0.82
All 3 classifiers agree.
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19:35:23+49 min- Common pipistrelle (Pipistrellus pipistrellus) · 22 calls · 47.6 kHz · strongest 0.777
All 3 classifiers agree.
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19:36:53+50 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 42 calls · 55.9 kHz · strongest 0.85
All 3 classifiers agree.
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19:36:58+50 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 17 calls · 55.1 kHz · strongest 0.819
All 3 classifiers agree.
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19:37:04+50 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Common pipistrelle where BatDetect2 found nothing.
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19:37:12+51 min- Common pipistrelle (Pipistrellus pipistrellus) · 24 calls · 48.8 kHz · strongest 0.83
All 3 classifiers agree.
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19:39:40+53 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 23 calls · 57 kHz · strongest 0.827
All 3 classifiers agree.
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19:39:47+53 min- Common pipistrelle (Pipistrellus pipistrellus) · 31 calls · 49.1 kHz · strongest 0.79
All 3 classifiers agree.
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19:39:58+53 min- Common pipistrelle (Pipistrellus pipistrellus) · 48 calls · 49.5 kHz · strongest 0.831
BSG-BAT disagrees. BSG-BAT found Miniopterus schreibersii (Schreiber's bat, not a UK resident) here.
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19:40:11+54 min- Common pipistrelle (Pipistrellus pipistrellus) · 51 calls · 49.1 kHz · strongest 0.84
All 3 classifiers agree.
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19:40:29+54 min- Common pipistrelle (Pipistrellus pipistrellus) · 5 calls · 49.5 kHz · strongest 0.78
All 3 classifiers agree.
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19:40:40+54 min- Common pipistrelle (Pipistrellus pipistrellus) · 31 calls · 49.5 kHz · strongest 0.847
All 3 classifiers agree.
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19:40:57+54 min- Common pipistrelle (Pipistrellus pipistrellus) · 52 calls · 49.9 kHz · strongest 0.846
BSG-BAT disagrees. BSG-BAT found Miniopterus schreibersii (Schreiber's bat, not a UK resident) here.
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19:41:42+55 min- Common pipistrelle (Pipistrellus pipistrellus) · 23 calls · 49.9 kHz · strongest 0.838
All 3 classifiers agree.
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19:42:13+56 min- Common pipistrelle (Pipistrellus pipistrellus) · 51 calls · 50.2 kHz · strongest 0.845
All 3 classifiers agree.
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19:46:21+60 min- Common pipistrelle (Pipistrellus pipistrellus) · 35 calls · 47.2 kHz · strongest 0.822
All 3 classifiers agree.
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19:46:48+60 min- Common pipistrelle (Pipistrellus pipistrellus) · 42 calls · 46.1 kHz · strongest 0.777
All 3 classifiers agree.
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19:46:55+60 min- Common pipistrelle (Pipistrellus pipistrellus) · 48 calls · 45.9 kHz · strongest 0.793
All 3 classifiers agree.
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19:47:14+61 min- Common pipistrelle (Pipistrellus pipistrellus) · 14 calls · 45.4 kHz · strongest 0.703
All 3 classifiers agree.
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19:47:57+61 min- Common pipistrelle (Pipistrellus pipistrellus) · 27 calls · 45.8 kHz · strongest 0.721
All 3 classifiers agree.
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20:04:23+78 min- Common pipistrelle (Pipistrellus pipistrellus) · 49 calls · 45.4 kHz · strongest 0.821
All 3 classifiers agree.
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20:04:32+78 min- Common pipistrelle (Pipistrellus pipistrellus) · 16 calls · 45.4 kHz · strongest 0.793
All 3 classifiers agree.
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20:05:07+78 min- Common pipistrelle (Pipistrellus pipistrellus) · 30 calls · 47.1 kHz · strongest 0.842
All 3 classifiers agree.
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20:11:38+85 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 8 calls · 24.8 kHz · strongest 0.772
- Noctule, Leisler's or serotine · closest match Eptesicus serotinus of 3 · 4 calls · 29.1 kHz · strongest 0.572
Kaleidoscope disagrees. Kaleidoscope found a bat it could not identify here.
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20:11:44+85 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 10 calls · 25.1 kHz · strongest 0.791
All 3 classifiers agree.
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20:12:42+86 min- Common pipistrelle (Pipistrellus pipistrellus) · 5 calls · 47.6 kHz · strongest 0.679
Kaleidoscope disagrees. Kaleidoscope identified Brown long-eared bat instead.
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20:13:59+87 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 16 calls · 56.2 kHz · strongest 0.852
All 3 classifiers agree.
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20:14:12+88 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 34 calls · 56.6 kHz · strongest 0.843
All 3 classifiers agree.
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20:21:26+95 min- Myotis, 50 kHz group · closest match Myotis mystacinus of 5 · 10 calls · 44.6 kHz · strongest 0.474
- Myotis, 50 kHz group · closest match Myotis brandtii of 5 · 9 calls · 44.6 kHz · strongest 0.408
- Long-eared bat · closest match Plecotus auritus of 2 · 1 call · 37.9 kHz · strongest 0.273
BSG-BAT disagrees. BSG-BAT identified Daubenton's bat instead.
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20:27:18+101 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 11 calls · 26.2 kHz · strongest 0.767
- Noctule, Leisler's or serotine · closest match Eptesicus serotinus of 3 · 4 calls · 27.8 kHz · strongest 0.451
BSG-BAT and Kaleidoscope disagree. BSG-BAT found Eptesicus nilssonii (northern bat, not a UK resident) here. Kaleidoscope found a bat it could not identify here.
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20:27:24+101 min- Noctule, Leisler's or serotine · closest match Eptesicus serotinus of 3 · 12 calls · 27 kHz · strongest 0.449
- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 3 calls · 25.9 kHz · strongest 0.321
BSG-BAT disagrees. BSG-BAT found Tadarida teniotis (European free-tailed bat, vagrant only) here.
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20:32:29+106 min- Common pipistrelle (Pipistrellus pipistrellus) · 24 calls · 46.1 kHz · strongest 0.787
All 3 classifiers agree.
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20:43:04+116 min- Common pipistrelle (Pipistrellus pipistrellus) · 18 calls · 46.9 kHz · strongest 0.776
All 3 classifiers agree.
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20:46:57+120 min- Common pipistrelle (Pipistrellus pipistrellus) · 26 calls · 46.5 kHz · strongest 0.809
All 3 classifiers agree.
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20:47:22+121 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 12 calls · 24.4 kHz · strongest 0.782
BSG-BAT and Kaleidoscope disagree. BSG-BAT identified Serotine instead. Kaleidoscope found a bat it could not identify here.
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20:47:27+121 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 9 calls · 24 kHz · strongest 0.685
All 3 classifiers agree.
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20:49:38+123 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Lesser horseshoe bat where BatDetect2 found nothing.
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21:00:50+134 min- Common pipistrelle (Pipistrellus pipistrellus) · 34 calls · 47.2 kHz · strongest 0.818
All 3 classifiers agree.
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21:02:32+136 min- Common pipistrelle (Pipistrellus pipistrellus) · 16 calls · 45.8 kHz · strongest 0.642
All 3 classifiers agree.
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21:06:55+140 min- Common pipistrelle (Pipistrellus pipistrellus) · 23 calls · 46.1 kHz · strongest 0.795
All 3 classifiers agree.
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21:15:15+149 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 12 calls · 24.9 kHz · strongest 0.86
- Noctule, Leisler's or serotine · closest match Eptesicus serotinus of 3 · 1 call · 27 kHz · strongest 0.314
BSG-BAT disagrees. BSG-BAT identified Lesser horseshoe bat instead.
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21:15:20+149 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 6 calls · 24.6 kHz · strongest 0.585
All 3 classifiers agree.
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21:18:57+152 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 42 calls · 56.6 kHz · strongest 0.866
- Long-eared bat · closest match Plecotus austriacus of 2 · 1 call · 37.9 kHz · strongest 0.319
All 3 classifiers agree.
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21:19:02+152 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 8 calls · 55.3 kHz · strongest 0.819
All 3 classifiers agree.
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22:32:39+226 min- Lesser horseshoe bat (Rhinolophus hipposideros) · 1 call · 111.8 kHz · strongest 0.684
All 3 classifiers agree.
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22:42:19+236 min- Lesser horseshoe bat (Rhinolophus hipposideros) · 15 calls · 112.1 kHz · strongest 0.837
All 3 classifiers agree.
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22:45:22+239 min- Myotis, 50 kHz group · closest match Myotis brandtii of 5 · 25 calls · 40.1 kHz · strongest 0.565
Kaleidoscope disagrees. BSG-BAT detected Daubenton's bat, but it cannot return any of the species BatDetect2 detected here. Kaleidoscope found a bat it could not identify here.
Nothing matches those filters.