Part 1. 'I don't do calls' -- Crossing the sound barrier -- Tone and timpre -- Pitch and frequency -- Rhythm and timing -- Part 2. Put it all together and what have you got? -- Simple calls -- Simple ...
14d
A magpie can recognise you – and four other fun facts about Australia’s most often-spotted bird
The feathered friend was recorded in half of the 153,000 surveys in BirdLife Australia’s Aussie Bird Count ...
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