At the end of last week, we put on a cliff an automatic sound recorder for the birds in the Corvo island. The recorder was placed on the cliff near the Pingas area, which tends to listen Estapagados frequently.
This method can show what kind of seabirds use that area, and by comparison with the vocal activity recorded in other more accesible colonies, it can help to determine the size of the colonies in Corvo. If this method gives satisfactory results, in the future can be used recorders like this for the detection and quantification of the seabirds colonies.
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