04/10/2026 at 20:10:34

4.95s · 91 min after sunset · Warleigh Nature Reserve, River Avon, near Bath

What was detected

Soprano pipistrelle (Pipistrellus pygmaeus) · 31 calls · 55.5 kHz · strongest 0.839
Long-eared bat · closest match Plecotus austriacus of 2 · 4 calls · 32.4 kHz · strongest 0.355
Nathusius' pipistrelle (Pipistrellus nathusii) · 3 calls · 41.6 kHz · strongest 0.646
Noctule, Leisler's or serotine · closest match Nyctalus noctula of 3 · 2 calls · 21.6 kHz · strongest 0.53
Common pipistrelle (Pipistrellus pipistrellus) · 1 call · 42.4 kHz · strongest 0.22
Long-eared bat · closest match Plecotus auritus of 2 · 1 call · 16.9 kHz · strongest 0.365
Measured 16.9 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.

All 47 detections

Time	Label	Band	Detection
`0.47s`	Pipistrellus pygmaeus	55 to 61 kHz	0.537
`0.56s`	Pipistrellus pygmaeus	56 to 63 kHz	0.574
`0.64s`	Pipistrellus pygmaeus	56 to 62 kHz	0.709
`0.76s`	Pipistrellus pygmaeus	55 to 66 kHz	0.716
`0.83s`	Pipistrellus pygmaeus	56 to 63 kHz	0.801
`1.00s`	Pipistrellus pygmaeus	55 to 70 kHz	0.754
`1.09s`	Pipistrellus pygmaeus	55 to 66 kHz	0.776
`1.19s`	Pipistrellus pygmaeus	54 to 66 kHz	0.765
`1.37s`	Pipistrellus pygmaeus	54 to 65 kHz	0.779
`1.46s`	Pipistrellus pygmaeus	54 to 68 kHz	0.791
`1.57s`	Pipistrellus pygmaeus	55 to 69 kHz	0.773
`1.61s`	Plecotus austriacus	16 to 37 kHz	0.532
`1.63s`	Pipistrellus nathusii	41 to 54 kHz	0.662
`1.69s`	Pipistrellus pygmaeus	54 to 72 kHz	0.814
`1.78s`	Pipistrellus pygmaeus	55 to 74 kHz	0.797
`1.98s`	Pipistrellus pygmaeus	54 to 73 kHz	0.804
`2.10s`	Pipistrellus pygmaeus	54 to 72 kHz	0.807
`2.32s`	Pipistrellus pygmaeus	54 to 81 kHz	0.832
`2.36s`	Plecotus austriacus	16 to 43 kHz	0.551
`2.38s`	Nyctalus noctula	19 to 31 kHz	0.512
`2.39s`	Pipistrellus nathusii	40 to 56 kHz	0.61
`2.44s`	Pipistrellus pygmaeus	54 to 81 kHz	0.806
`2.61s`	Pipistrellus pygmaeus	55 to 87 kHz	0.812
`2.75s`	Pipistrellus pygmaeus	54 to 78 kHz	0.796
`2.87s`	Pipistrellus pygmaeus	54 to 87 kHz	0.821
`2.98s`	Pipistrellus pygmaeus	54 to 84 kHz	0.813
`3.02s`	Plecotus austriacus	16 to 43 kHz	0.614
`3.04s`	Pipistrellus pipistrellus	42 to 61 kHz	0.558
`3.10s`	Pipistrellus pygmaeus	53 to 86 kHz	0.831
`3.21s`	Pipistrellus pygmaeus	54 to 92 kHz	0.811
`3.42s`	Pipistrellus pygmaeus	54 to 95 kHz	0.83
`3.51s`	Pipistrellus pygmaeus	54 to 94 kHz	0.819
`3.73s`	Pipistrellus pygmaeus	54 to 99 kHz	0.799
`3.83s`	Pipistrellus pygmaeus	53 to 92 kHz	0.8
`3.87s`	Plecotus austriacus	16 to 39 kHz	0.565
`3.89s`	Nyctalus noctula	20 to 30 kHz	0.641
`3.89s`	Pipistrellus nathusii	42 to 60 kHz	0.635
`3.89s`	Pipistrellus pygmaeus	62 to 78 kHz	0.507
`3.95s`	Pipistrellus pygmaeus	52 to 95 kHz	0.761
`4.04s`	Pipistrellus pygmaeus	53 to 82 kHz	0.786
`4.14s`	Pipistrellus pygmaeus	53 to 74 kHz	0.67
`4.42s`	Pipistrellus pygmaeus	53 to 80 kHz	0.812
`4.57s`	Pipistrellus pygmaeus	54 to 78 kHz	0.776
`4.67s`	Pipistrellus pygmaeus	54 to 80 kHz	0.757
`4.79s`	Pipistrellus pygmaeus	54 to 86 kHz	0.84
`4.86s`	Pipistrellus pygmaeus	54 to 87 kHz	0.838
`4.91s`	Plecotus auritus	16 to 43 kHz	0.592