Golden Plover
The first two calls were recorded at our house on 03/05/2021 at c 03:00. The third is an Xeno Canto file XC 645831 recorded at Manchester.
The upturned u shape is pretty consistent with a peak frequency of between 2.3 and 2.6 khz and a drop in the tails of c0.2 khz. Thelengths here vary from 0.22s to 0.31s. |