By Zoe Armstrong & Amelie Videlo
When a little blackbird questions why an old oak tree just stands there doing nothing, a gentle journey of discovery begins. We see all the ways in which the tree is, in fact, very busy. We learn about how the tree is central to its ecosystem - the many ways in which it offers shelter and sustenance to the wildlife all around.
And when the tree itself is under attack, the blackbird is quick to help defend it.
And when the tree itself is under attack, the blackbird is quick to help defend it.