Baby goose saved from territorial black swan

This summer, we had our first (and only) greylag gosling of the year. Geese are flock animals, so need the company of other individuals to do well. So, as all his flight feathers are fully developed, and he’s big enough to fly, we decided to release him now, so he can be with other geese. We found the perfect lake, with a healthy population of greylags, Canada geese, ducks, coots, and swans, and knew it would be ideal for him. However, one resident of the lake was not very happy with the new arrival! Swa