Raccoons is best because it is built better than the other for it but not only that but if you put it realistically dolphin and hippo would likely drop whatever it is in the water and I think raccoon do better than penguins  nostr:nevent1qqswwuhg8n4afmzf240qqjv5vndy9xzlav0hqpkskdkav2r24w832kspzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhggz8usk