04/10/2026 at 20:12:18

4.95s · 92 min after sunset · Warleigh Nature Reserve, River Avon, near Bath

What was detected

Soprano pipistrelle (Pipistrellus pygmaeus) · 37 calls · 55.5 kHz · strongest 0.85
Nathusius' pipistrelle (Pipistrellus nathusii) · 4 calls · 40.7 kHz · strongest 0.572
Long-eared bat · closest match Plecotus austriacus of 2 · 2 calls · 31.3 kHz · strongest 0.421
Long-eared bat · closest match Plecotus auritus of 2 · 1 call · 16.5 kHz · strongest 0.25
Measured 16.5 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.
Noctule, Leisler's or serotine · closest match Nyctalus noctula of 3 · 1 call · 16.5 kHz · strongest 0.166

All 3 classifiers agree.

All 47 detections

Time	Label	Band	Detection
`0.04s`	Pipistrellus pygmaeus	56 to 71 kHz	0.707
`0.20s`	Pipistrellus pygmaeus	55 to 80 kHz	0.783
`0.28s`	Pipistrellus pygmaeus	56 to 84 kHz	0.81
`0.37s`	Pipistrellus pygmaeus	56 to 76 kHz	0.849
`0.62s`	Pipistrellus pygmaeus	56 to 78 kHz	0.835
`0.71s`	Pipistrellus pygmaeus	55 to 77 kHz	0.808
`0.77s`	Pipistrellus nathusii	40 to 52 kHz	0.603
`0.82s`	Pipistrellus pygmaeus	54 to 86 kHz	0.824
`0.90s`	Pipistrellus pygmaeus	55 to 80 kHz	0.822
`0.98s`	Pipistrellus pygmaeus	56 to 88 kHz	0.8
`1.07s`	Pipistrellus pygmaeus	56 to 76 kHz	0.832
`1.30s`	Pipistrellus pygmaeus	55 to 88 kHz	0.769
`1.47s`	Pipistrellus pygmaeus	54 to 83 kHz	0.802
`1.51s`	Plecotus austriacus	16 to 36 kHz	0.537
`1.53s`	Pipistrellus nathusii	39 to 50 kHz	0.56
`1.59s`	Pipistrellus pygmaeus	53 to 78 kHz	0.828
`1.65s`	Pipistrellus pygmaeus	54 to 84 kHz	0.812
`1.74s`	Pipistrellus pygmaeus	54 to 80 kHz	0.83
`1.82s`	Pipistrellus pygmaeus	55 to 86 kHz	0.828
`1.90s`	Pipistrellus pygmaeus	54 to 78 kHz	0.819
`2.09s`	Pipistrellus pygmaeus	53 to 83 kHz	0.827
`2.18s`	Pipistrellus pygmaeus	54 to 79 kHz	0.85
`2.24s`	Pipistrellus nathusii	40 to 59 kHz	0.57
`2.30s`	Pipistrellus pygmaeus	52 to 85 kHz	0.846
`2.39s`	Pipistrellus pygmaeus	54 to 84 kHz	0.777
`2.55s`	Pipistrellus pygmaeus	52 to 81 kHz	0.82
`2.64s`	Pipistrellus pygmaeus	52 to 82 kHz	0.825
`2.74s`	Pipistrellus pygmaeus	52 to 79 kHz	0.811
`2.78s`	Plecotus austriacus	16 to 37 kHz	0.549
`2.86s`	Pipistrellus pygmaeus	52 to 75 kHz	0.789
`2.95s`	Pipistrellus pygmaeus	53 to 79 kHz	0.853
`3.21s`	Pipistrellus pygmaeus	53 to 79 kHz	0.787
`3.31s`	Pipistrellus pygmaeus	53 to 80 kHz	0.776
`3.35s`	Plecotus auritus	15 to 38 kHz	0.514
`3.38s`	Pipistrellus nathusii	39 to 52 kHz	0.513
`3.38s`	Pipistrellus pygmaeus	61 to 69 kHz	0.502
`3.45s`	Pipistrellus pygmaeus	52 to 77 kHz	0.814
`3.54s`	Pipistrellus pygmaeus	53 to 77 kHz	0.796
`3.65s`	Pipistrellus pygmaeus	53 to 74 kHz	0.814
`3.82s`	Pipistrellus pygmaeus	53 to 64 kHz	0.806
`3.92s`	Pipistrellus pygmaeus	53 to 66 kHz	0.755
`4.05s`	Pipistrellus pygmaeus	52 to 72 kHz	0.794
`4.24s`	Pipistrellus pygmaeus	51 to 61 kHz	0.805
`4.46s`	Pipistrellus pygmaeus	52 to 58 kHz	0.682
`4.56s`	Pipistrellus pygmaeus	52 to 68 kHz	0.781
`4.60s`	Nyctalus noctula	15 to 38 kHz	0.594
`4.69s`	Pipistrellus pygmaeus	52 to 61 kHz	0.787