The owls are finished:
They aren't washed or ironed so they are a bit wrinkly, as I don't have any of my stuff with me, so I'm going to send them to Mum as is (Dad is framing them for her).
Here's a picture of all the thread I had left over. The lengths on the left are the untouched lengths, so still the full 6 strands. I thought that was pretty generous thread allowances.