No, finches only use nests for breeding. Otherwise, they prefer perches to sleep on.
Finches do not necessarily need a nest if they are not breeding, but they may still use it for resting.
A nest provides a safe and comfortable space for finches to sleep and hide from stress.
Some finches prefer perches over a nest when they are not in the breeding season.
If a nest is left in the cage, finches might still use it for roosting at night.
Leaving a nest in the cage can sometimes cause territorial issues among finches.
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Providing a nest may encourage unwanted breeding behavior in finches.
Some finches feel secure with a nest, while others do fine with just perches.
A nest should be cleaned often to prevent mites and bacteria buildup.
If your finches do not use a nest, ensure they have comfortable perches to rest on.
In colder climates, a nest can help finches stay warm even when they are not breeding.