On this page of the Assassin's Creed Valhalla guide, you will find a detailed walkthrough of the Vinland side quest: Flight of Fancy.
Reward for completing the mission: 1200 XP.
In the place marked on the image above, you will meet a woman who is standing on top of a cliff and despairing over the loss of her pet. The animal flew down, got stuck and can't get out.
You can complete this task in two ways:
- Jump down and kill the turkey;
- Wait for the animal to attack, then walk it upstairs to its owner.