Why not spend a little time learning how to draw your own wombat today? They look pretty cute and cuddly - although I gather the last thing a wild wombat wants is cuddles!
Learn to Draw a Wombat
The Echidna is a bit like a cross between an ant-eater and a hedgehog and lives in Australia. You can learn to draw one with this worksheet.
If the kids like sharks, why not help them learn how to draw their own shark with this step by step instruction sheet?