The last bird that’s in the duffel bag on the veranda will not enlarge so I can tap it. I’ve tried..

The last bird that’s in the duffel bag on the veranda will not enlarge so I can tap it. I’ve tried closing and reopening the game, going back to a different location and returning… nothing works. All I do is lose energy by trying to tap too many times. What can be done to fix this issue?