Thornton W. Burgess,
The Burgess Animal Book for Children
“ Peter Rabbit drew a long breath. “What dreadful lot of work,” said he. “Do you work all the time?” Paddy chuckled. “No, Peter,” said he. And Old Mother Nature nodded in approval. “Quite right,” said she. “Quite right. Are there any more questions?” “Do you eat nothing but bark?” It was Happy Jack Squirrel who spoke. “Oh, no,” replied Paddy. “In summer I eat berries, mushrooms, grass and the leaves and stems of a number of plants. In winter I vary my fare with lily roots and the roots of alder and willow. But bark is my principal food.” ”
