We went away for the weekend and I did what I always do. Put my goats, Oliver my wether and Sweet pea my doeling into the small but super safe pen. I removed their collars and linked the collars to the fencing like I always do so that the collars would be handy to put back on the goats when I moved the goats again. My mom came to feed and check on them both days we were gone. Everything was fine when we got home last night and the goats were happy to see us! I put their collars on and moved them into the barn for the night. I forgot/didn't even think about removing their collars. This morning I went out to let them out and saw sweet pea with her collar stuck in a notch on one of the boards. I don't know how she managed to get her collar up there. It wasn't even that high. JUst high enough to pull her collar up and cut of her air supply. her front feet were just a few mm from the floor. She was already gone. I feel so bad. I had the urge to check on them last night as I sometimes do and I decided against it. I was right out by the barn locking the chickens up and decided not to peak in. I assume she was in that position even at that time because this morning she was cold and rigor mortis had already set in. I feel like I could have saved her. I am just devastated. We loved this friendly little goat. Learn from my mistake, do not put a collar on your goats. Accidents happen.