Possum and the Peeper — Anne Hunter

Peep! Peep! Peep! Possum opened one small eye. What was that noise? Snug and warm in the midst of his winter's nap, Possum is roused by a small peep, peep, peep. In cranky morning fashion he is determined to find out who has so rudely awakened him. He and his friends, a bear, a muskrat, and a couple of catbirds, who also want the racket to stop, search high and low for the mystery peeper. Soon, though, with the sun shining down warm on their feathers and fur, they realize it wasn't so bad to be rousted out of bed after all.