Wolf not spawn naturally

 

What I expected to happen was...:

I expected that i would find wolves to tame

What actually happened was...:
I search for more that 2 in-game days and i find only sheep, foxes, etc, but none wolves, being that i am in the correct biome

Steps to Reproduce:
1. Go to the biome that wolves spawn
2. Search for the wolves
3. You don't find wolves

My seed:-4090581452031785327