Woodpeckers actually manipulate wood and bark for different reasons. Some species drill holes to extract nutritious sap or protein-rich insects, while others carve nesting holes and deep, sheltered cavities. Some species even use holes and bark as caches for nuts and seeds.
It can be challenging to tell some woodpecker species apart. By carefully observing not only the birds’ appearance but also their behavior, it is possible to distinguish between these closely related wild birds.
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