5/5 Autumn brings ferocious storms for the wood ants, but hibernation beckons.
4/5 In late summer, the queen ants establish new colonies, sparking the start of ant warfare.
3/5 Early summer sees the ants preparing to mate, but forest cyclists endanger their nest.
2/5 It's springtime and the Northumbrian wood ants are hungry, but the tree fellers are coming
1/5 Peter France takes you to the alien and dangerous world of Northumbrian wood ants.