Herring Gull
#1: This bird was recorded at our house on 24/04/2021 at 01:56.
The call lasts for 1.1s at a frequency of 850 hz with a harmonic at 1.7 khz. A descending note presages the second fainter call. |
#2: This set of calls was recorded at our house on 04/05/2021 at 22:32.
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#3: This set of calls was recored at our house on 04/05/2021 at 23:34.
The main call is slightly descending but often with initial lower note at 1 khz. The call is 0.17s long with a peak at1.4 khz and with harmonics at 2.8, 4.3 khz |