For the care and feeding ... the birds’ behavior in 2014 in Amsterdam, where she lives. “The poor warbler almost disappears in the wide-opened mouth of its ‘adopted’ baby,” Slothouber ...

"We have a bird feeder, like most people," she said. "We noticed the big bird at the bottom of the garden and, at first, we thought it must have been a sparrow hawk, but we realised it wasn't when ...