04/10/2026 at 19:50:10

4.95s · 70 min after sunset · Warleigh Nature Reserve, River Avon, near Bath

What was detected

Noctule, Leisler's or serotine · closest match Eptesicus serotinus of 3 · 18 calls · 27.6 kHz · strongest 0.602
Noctule, Leisler's or serotine · closest match Nyctalus leisleri of 3 · 3 calls · 27.8 kHz · strongest 0.319

Kaleidoscope disagrees. Kaleidoscope found a bat it could not identify here.

All 29 detections

Time	Label	Band	Detection
`0.01s`	Eptesicus serotinus	24 to 38 kHz	0.668
`0.15s`	Eptesicus serotinus	25 to 39 kHz	0.599
`0.42s`	Eptesicus serotinus	24 to 42 kHz	0.687
`0.45s`	Rhinolophus hipposideros	93 to 111 kHz	0.533
`0.58s`	Eptesicus serotinus	23 to 44 kHz	0.672
`0.77s`	Rhinolophus hipposideros	93 to 111 kHz	0.518
`0.85s`	Eptesicus serotinus	23 to 38 kHz	0.677
`0.87s`	Rhinolophus hipposideros	93 to 110 kHz	0.548
`1.03s`	Rhinolophus hipposideros	93 to 111 kHz	0.628
`1.11s`	Eptesicus serotinus	24 to 41 kHz	0.723
`1.32s`	Rhinolophus hipposideros	93 to 111 kHz	0.525
`1.38s`	Nyctalus leisleri	23 to 34 kHz	0.614
`1.54s`	Rhinolophus hipposideros	93 to 111 kHz	0.579
`1.65s`	Eptesicus serotinus	24 to 35 kHz	0.587
`1.93s`	Nyctalus leisleri	23 to 33 kHz	0.609
`2.22s`	Nyctalus leisleri	23 to 34 kHz	0.672
`2.50s`	Eptesicus serotinus	23 to 33 kHz	0.62
`2.76s`	Eptesicus serotinus	25 to 41 kHz	0.634
`3.05s`	Eptesicus serotinus	24 to 34 kHz	0.682
`3.33s`	Eptesicus serotinus	23 to 33 kHz	0.626
`3.47s`	Rhinolophus hipposideros	93 to 111 kHz	0.532
`3.62s`	Eptesicus serotinus	22 to 31 kHz	0.637
`3.76s`	Eptesicus serotinus	23 to 38 kHz	0.635
`3.85s`	Rhinolophus hipposideros	93 to 111 kHz	0.51
`3.92s`	Eptesicus serotinus	24 to 44 kHz	0.703
`4.09s`	Eptesicus serotinus	25 to 43 kHz	0.662
`4.26s`	Eptesicus serotinus	24 to 38 kHz	0.603
`4.41s`	Eptesicus serotinus	25 to 49 kHz	0.73
`4.81s`	Eptesicus serotinus	26 to 44 kHz	0.698