"Sometimes, when it is time for them to go out again, they don’t wish to leave. Eddie, the youngest and largest at eighteen months old, will reluctantly sit on a glove and let me take him back out to the aviary, but Charlie and Max, more than four years old, don’t like the glove. So, I point at the open door, I tell them “bedtime” and stroke their tailfeathers. This is their signal to go." Frieda Hughes TLS

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