Monday, 28 September 2026
St Laurence Field, near Bradford on Avon
56 recordings from 18:55:01 to 21:36:00. The first was 2 minutes after sunset.
Species detected
| Species | Recordings | Confirmed | Active |
|---|---|---|---|
| Common pipistrelle | 26 | 26 | +22 to +150 min |
| Greater horseshoe bat protected | 17 | 17 | +36 to +71 min |
| Brown long-eared bat · Long-eared bat | 3 | 0 | +90 to +95 min |
| Grey long-eared bat · Long-eared bat protected | 2 | 0 | +91 to +95 min |
| Lesser horseshoe bat protected | 2 | 2 | +110 to +150 min |
| Soprano pipistrelle | 2 | 2 | +89 to +132 min |
| Alcathoe bat · Myotis, 50 kHz group protected | 1 | 1 | +25 to +25 min |
| Daubenton's bat · Myotis, 50 kHz group | 1 | 1 | +163 to +163 min |
| Leisler's bat · Noctule, Leisler's or serotine | 1 | 1 | +69 to +69 min |
| Nathusius' pipistrelle | 1 | 0 | +29 to +29 min |
| Natterer's bat | 1 | 0 | +163 to +163 min |
| Noctule · Noctule, Leisler's or serotine | 1 | 0 | +90 to +90 min |
| Serotine · Noctule, Leisler's or serotine | 1 | 0 | +69 to +69 min |
Confirmed means another classifier detected the same species on that recording.
Through the night
Recordings
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18:55:01+2 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Lesser horseshoe bat where BatDetect2 found nothing.
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18:56:26+3 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Lesser horseshoe bat where BatDetect2 found nothing.
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19:11:51+18 minNo calls passed the transience filter.
BSG-BAT and Kaleidoscope disagree. BSG-BAT identified Leisler's bat where BatDetect2 found nothing. Kaleidoscope identified Noctule where BatDetect2 found nothing.
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19:11:57+18 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Common pipistrelle where BatDetect2 found nothing.
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19:12:05+19 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Lesser horseshoe bat where BatDetect2 found nothing.
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19:15:24+22 min- Common pipistrelle (Pipistrellus pipistrellus) · 14 calls · 46.1 kHz · strongest 0.795
All 3 classifiers agree.
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19:18:20+25 min- Common pipistrelle (Pipistrellus pipistrellus) · 9 calls · 48.4 kHz · strongest 0.641
- Myotis, 50 kHz group · closest match Myotis alcathoe of 5 · 1 call · 48.4 kHz · strongest 0.251
All 3 classifiers agree.
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19:20:05+27 min- Common pipistrelle (Pipistrellus pipistrellus) · 25 calls · 48.4 kHz · strongest 0.828
All 3 classifiers agree.
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19:20:16+27 min- Common pipistrelle (Pipistrellus pipistrellus) · 19 calls · 49.1 kHz · strongest 0.819
All 3 classifiers agree.
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19:22:15+29 min- Nathusius' pipistrelle (Pipistrellus nathusii) · 21 calls · 43.1 kHz · strongest 0.842
- Common pipistrelle (Pipistrellus pipistrellus) · 1 call · 44.2 kHz · strongest 0.452
All 3 classifiers agree.
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19:22:26+29 minNo calls passed the transience filter.
BSG-BAT disagrees. BSG-BAT identified Lesser horseshoe bat where BatDetect2 found nothing.
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19:26:15+33 min- Common pipistrelle (Pipistrellus pipistrellus) · 46 calls · 48.4 kHz · strongest 0.808
All 3 classifiers agree.
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19:28:28+35 min- Common pipistrelle (Pipistrellus pipistrellus) · 17 calls · 47.2 kHz · strongest 0.841
All 3 classifiers agree.
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19:28:47+35 min- Common pipistrelle (Pipistrellus pipistrellus) · 16 calls · 47.4 kHz · strongest 0.774
All 3 classifiers agree.
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19:29:44+36 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 15 calls · 81 kHz · strongest 0.783
All 3 classifiers agree.
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19:29:54+36 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 17 calls · 81 kHz · strongest 0.763
All 3 classifiers agree.
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19:33:24+40 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 15 calls · 81.4 kHz · strongest 0.777
All 3 classifiers agree.
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19:33:34+40 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 16 calls · 81.2 kHz · strongest 0.752
All 3 classifiers agree.
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19:33:48+40 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 25 calls · 82.9 kHz · strongest 0.691
All 3 classifiers agree.
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19:33:56+40 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 36 calls · 82.3 kHz · strongest 0.799
All 3 classifiers agree.
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19:34:17+41 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 41 calls · 82.1 kHz · strongest 0.776
All 3 classifiers agree.
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19:34:34+41 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 24 calls · 81.8 kHz · strongest 0.779
All 3 classifiers agree.
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19:34:46+41 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 16 calls · 80.6 kHz · strongest 0.762
All 3 classifiers agree.
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19:34:54+41 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 20 calls · 82.5 kHz · strongest 0.78
All 3 classifiers agree.
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19:35:14+42 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 19 calls · 81.8 kHz · strongest 0.805
All 3 classifiers agree.
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19:35:34+42 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 22 calls · 79.9 kHz · strongest 0.797
Kaleidoscope disagrees. Kaleidoscope found a bat it could not identify here.
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19:41:33+48 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 19 calls · 80.6 kHz · strongest 0.763
All 3 classifiers agree.
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19:51:07+58 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 16 calls · 80.4 kHz · strongest 0.77
All 3 classifiers agree.
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19:51:13+58 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 22 calls · 81 kHz · strongest 0.787
All 3 classifiers agree.
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19:51:27+58 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 16 calls · 79.9 kHz · strongest 0.766
All 3 classifiers agree.
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20:02:22+69 min- Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 15 calls · 24.8 kHz · strongest 0.765
- Noctule, Leisler's or serotine · closest match Eptesicus serotinus of 3 · 1 call · 25.5 kHz · strongest 0.446
All 3 classifiers agree.
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20:04:36+71 min- Greater horseshoe bat (Rhinolophus ferrumequinum) · 19 calls · 80.2 kHz · strongest 0.792
All 3 classifiers agree.
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20:17:18+84 min- Common pipistrelle (Pipistrellus pipistrellus) · 37 calls · 50.6 kHz · strongest 0.85
All 3 classifiers agree.
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20:17:23+84 min- Common pipistrelle (Pipistrellus pipistrellus) · 5 calls · 47.6 kHz · strongest 0.701
Kaleidoscope disagrees. Kaleidoscope found no bat here.
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20:20:51+87 min- Common pipistrelle (Pipistrellus pipistrellus) · 4 calls · 44.8 kHz · strongest 0.742
All 3 classifiers agree.
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20:22:01+89 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 14 calls · 52.1 kHz · strongest 0.807
All 3 classifiers agree.
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20:23:06+90 min- Common pipistrelle (Pipistrellus pipistrellus) · 46 calls · 50.2 kHz · strongest 0.842
- Long-eared bat · closest match Plecotus auritus of 2 · 3 calls · 36 kHz · strongest 0.486
All 3 classifiers agree.
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20:23:11+90 min- Common pipistrelle (Pipistrellus pipistrellus) · 16 calls · 48.4 kHz · strongest 0.802
- Noctule, Leisler's or serotine · closest match Nyctalus noctula of 3 · 1 call · 17.2 kHz · strongest 0.3
All 3 classifiers agree.
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20:23:17+90 min- Common pipistrelle (Pipistrellus pipistrellus) · 7 calls · 46.9 kHz · strongest 0.697
Kaleidoscope disagrees. Kaleidoscope found a bat it could not identify here.
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20:23:23+90 min- Common pipistrelle (Pipistrellus pipistrellus) · 19 calls · 46.9 kHz · strongest 0.815
All 3 classifiers agree.
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20:23:29+90 min- Common pipistrelle (Pipistrellus pipistrellus) · 24 calls · 46.9 kHz · strongest 0.844
- Long-eared bat · closest match Plecotus auritus of 2 · 1 call · 27.4 kHz · strongest 0.39
All 3 classifiers agree.
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20:23:34+90 min- Common pipistrelle (Pipistrellus pipistrellus) · 13 calls · 46.5 kHz · strongest 0.831
All 3 classifiers agree.
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20:24:36+91 min- Common pipistrelle (Pipistrellus pipistrellus) · 39 calls · 50.2 kHz · strongest 0.844
- Long-eared bat · closest match Plecotus austriacus of 2 · 1 call · 38.6 kHz · strongest 0.4
All 3 classifiers agree.
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20:28:29+95 min- Common pipistrelle (Pipistrellus pipistrellus) · 40 calls · 49.9 kHz · strongest 0.813
- Long-eared bat · closest match Plecotus austriacus of 2 · 1 call · 39.4 kHz · strongest 0.493
All 3 classifiers agree.
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20:28:41+95 min- Common pipistrelle (Pipistrellus pipistrellus) · 33 calls · 50.2 kHz · strongest 0.824
- Long-eared bat · closest match Plecotus auritus of 2 · 1 call · 37.5 kHz · strongest 0.395
All 3 classifiers agree.
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20:38:10+105 min- Common pipistrelle (Pipistrellus pipistrellus) · 27 calls · 45.4 kHz · strongest 0.837
All 3 classifiers agree.
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20:39:34+106 min- Common pipistrelle (Pipistrellus pipistrellus) · 26 calls · 46.1 kHz · strongest 0.797
All 3 classifiers agree.
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20:43:29+110 min- Lesser horseshoe bat (Rhinolophus hipposideros) · 22 calls · 109.1 kHz · strongest 0.895
All 3 classifiers agree.
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20:46:41+113 min- Common pipistrelle (Pipistrellus pipistrellus) · 13 calls · 45.4 kHz · strongest 0.701
All 3 classifiers agree.
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20:54:45+121 min- Common pipistrelle (Pipistrellus pipistrellus) · 11 calls · 46.5 kHz · strongest 0.797
All 3 classifiers agree.
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21:05:35+132 min- Soprano pipistrelle (Pipistrellus pygmaeus) · 27 calls · 53.6 kHz · strongest 0.838
All 3 classifiers agree.
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21:11:24+138 min- Common pipistrelle (Pipistrellus pipistrellus) · 28 calls · 45.4 kHz · strongest 0.814
All 3 classifiers agree.
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21:23:27+150 min- Common pipistrelle (Pipistrellus pipistrellus) · 15 calls · 45.4 kHz · strongest 0.808
All 3 classifiers agree.
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21:23:42+150 min- Lesser horseshoe bat (Rhinolophus hipposideros) · 17 calls · 110.6 kHz · strongest 0.853
All 3 classifiers agree.
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21:36:00+163 min- Natterer's bat (Myotis nattereri) · 21 calls · 41.6 kHz · strongest 0.584
- Myotis, 50 kHz group · closest match Myotis daubentonii of 5 · 1 call · 36.4 kHz · strongest 0.246Measured 36.4 kHz is far outside the expected range for this label. Flagged for review rather than corrected: this measurement is not precise enough to name an alternative.
All 3 classifiers agree.
Nothing matches those filters.