Tha leth cheud bliadhna ann bho sgèith Mary Poppins a-steach do thaigh ann an Lunnain.
BBC Radio Nan Gaidheal
Beavers are native to Scotland, but for many years were extinct here - until now.
Join a group of children as they find out all about this famous fish and its lifecycle.
Find out about Scotland's red squirrels and how they are being protected.