
Many birds like to hide under cage paper as part of normal playful behavior. Commonly, female birds will hide under cage paper when they are reproductively active and trying to build nests.
Hiding is of no concern at all unless birds become obsessed with this behavior and with egg laying to the point that they are not eating or drinking or interacting with their owners. Should this behavior last more than a day, the bird’s owner should contact a bird-savvy veterinarian as soon as possible so that the bird does not become dehydrated.
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