Sif
EDIT: For relevance: I agree

Woot! It's fixed! Thankyou thankyou thankyou thankyou!

I think the forest were initially consumed by an almost infinite army of weevils that grew tired of multiple Serens squashing them for only trying to survive. I say we hunt the weevils in retaliation to the very last! We must find and torture their queen! Rally tree forest lovers!