Has anyone ever seen a Black Australian Swan egg next to a goose egg? Is it colored differently? Is it larger? We have a small "nest" of eggs that could be from our first-timer Australian Swans OR our Cotton Patch Geese. We didn't realize they could look so similar. Plus, the swans haven't built a nest, so we weren't expecting eggs yet. Are we going to have to wait until they hatch to find out, LOL?