While it’s at first unclear whether the immutable Penguin is a stuffed toy, a pet or something else entirely, kids will know—by story’s end at the very latest—that this bird’s a friend.

[1] Publishers Weekly found Dunbar’s "winsome mixed media illustrations carry the day in a story that pulls a few punches on readers",[2] while Common Sense Media described it as a "charming, whimsical boy-meets-bird tale.

It has stood the test of time, with Walker Books publishing a 10th anniversary edition in 2017.

[7] It was also shortlisted for the Kate Greenaway Medal,[8] and was selected by The Sunday Times as one of the best books of 2007 for children 0 to 3 year olds.

[9] Penguin has been adapted for the stage, has played at the Edinburgh Fringe Festival[10] and received positive reviews.