I Am a Crocodile

Crocodiles are called living dinosaurs. This is because they appeared a very long time ago. Of course, such an ancient animal has many secrets that the reader will have to uncover with the help of this book. Is it true that birds help crocodiles clean their teeth, as in cartoons? Do crocodiles swallow stones to dive underwater? Why do they actually cry crocodile tears, is there really something for them to be so sad about?