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Description: For the same film with a running spectrogram see https://vimeo.com/422053296.nnGreenfinch in a high fir in Hålanda, Sweden 20 and 24 May 20, around 7 PM both days. The last fourth is from the cloudy and windy 24th.nnAmong other birds heard are a common blackbird, a wood pigeon and another greenfinch (for example at 2:09 and 2:25 – very faintly, see also the spectrogram). The rough sound at 0:41 and several later times is not a distortion effect but the bird's actual production. Other peculiar
Play Video: (Note: The default playback of the video is HD VERSION. If your browser is buffering the video slowly, please play the REGULAR MP4 VERSION or Open The Video below for better experience. Thank you!)