childrens book

[squidgy plum]

I read this book ages ago when i was young and i cant remember the name. It was about a penguin (i think) trying to find his own family and there was a poem 'there never was a hippotamus nor penguin never flew' please could someone help me find the name of the book and the author???

thanks

[Alibobs]

Penguin Pete - Marcus Pfister???