The words in this language are made to be onomatopoeic, and the grammar is simple and certain words can be omitted in a lot of cases to make the phrasing shorter and easier to say. The onomatopoeic nature of the language also makes it easier to guess what a word means without being told so.
Critterspeak also uses no punctuation symbols, instead preferring short words to differentiate between expression; for example "za" for a question mark, "le" for a full stop, and "re" for an exclamation point.