An apartment block in Warsaw, Poland, has a new tenant - a woodpecker, who has decided to nest in the wall of the building.
Dr. Andrew Kruszewicz, ornithologist and director at Warsaw Zoo, says it is not easy to remove the new resident because the woodpecker is a protected species.
"You can not scare them, it's illegal," he said.
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He advises the use of helium balloons, artificial crows or teddy bears.
Placing them near the nest worries the woodpecker, who eventually decides to relocate.