Northern Crombec song and calls
Sylvietta brachyura
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Open the appBirdsong and calls are often the easiest way to identify the Northern Crombec, especially when the bird is hidden in dense foliage. Below is what to listen for.
Song
The song is a distinctive, rapid, and often prolonged series of high-pitched, sibilant trills and whistles, often described as 'twee-twee-twee-twee-twee' or 'chip-chip-chip-chip-chip', sometimes accelerating and becoming more complex. It can be quite loud for such a small bird.
Calls
Common calls include a sharp 'chip' or 'tsip', a soft 'churr', and a rapid, chattering 'trrrrt'. Alarm calls are typically sharper and more insistent 'chip-chip-chip'.
When they vocalize
Most vocal during the breeding season, often singing from concealed perches within dense vegetation. Calls are given year-round, particularly when foraging or disturbed.
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