04/10/2026 at 20:21:31

4.95s · 101 min after sunset · Warleigh Nature Reserve, River Avon, near Bath

What was detected

Noctule, Leisler's or serotine · closest match Eptesicus serotinus of 3 · 30 calls · 28.1 kHz · strongest 0.719

All 3 classifiers agree.

All 30 detections

Time	Label	Band	Detection
`0.00s`	Eptesicus serotinus	29 to 55 kHz	0.627
`0.15s`	Eptesicus serotinus	28 to 47 kHz	0.668
`0.29s`	Eptesicus serotinus	27 to 53 kHz	0.712
`0.42s`	Eptesicus serotinus	27 to 51 kHz	0.722
`0.56s`	Eptesicus serotinus	28 to 46 kHz	0.703
`0.70s`	Eptesicus serotinus	28 to 47 kHz	0.658
`0.90s`	Eptesicus serotinus	27 to 55 kHz	0.702
`1.03s`	Eptesicus serotinus	27 to 47 kHz	0.676
`1.15s`	Eptesicus serotinus	27 to 56 kHz	0.725
`1.30s`	Eptesicus serotinus	27 to 61 kHz	0.76
`1.45s`	Eptesicus serotinus	26 to 60 kHz	0.753
`1.59s`	Eptesicus serotinus	26 to 57 kHz	0.763
`1.74s`	Eptesicus serotinus	26 to 55 kHz	0.746
`1.89s`	Eptesicus serotinus	25 to 57 kHz	0.79
`2.04s`	Eptesicus serotinus	26 to 60 kHz	0.779
`2.20s`	Eptesicus serotinus	25 to 57 kHz	0.772
`2.46s`	Eptesicus serotinus	25 to 51 kHz	0.772
`2.61s`	Eptesicus serotinus	25 to 55 kHz	0.791
`2.75s`	Eptesicus serotinus	25 to 59 kHz	0.773
`2.93s`	Eptesicus serotinus	25 to 54 kHz	0.756
`3.22s`	Eptesicus serotinus	25 to 54 kHz	0.794
`3.38s`	Eptesicus serotinus	25 to 50 kHz	0.771
`3.53s`	Eptesicus serotinus	25 to 53 kHz	0.76
`3.83s`	Eptesicus serotinus	25 to 53 kHz	0.8
`3.98s`	Eptesicus serotinus	25 to 49 kHz	0.746
`4.13s`	Eptesicus serotinus	25 to 51 kHz	0.773
`4.28s`	Eptesicus serotinus	25 to 49 kHz	0.783
`4.55s`	Eptesicus serotinus	24 to 48 kHz	0.761
`4.69s`	Eptesicus serotinus	25 to 46 kHz	0.711
`4.84s`	Eptesicus serotinus	25 to 43 kHz	0.68