関連ワード:  is a dugong a manatee    is a dugong and a manatee the same thing    is a dugong like a manatee    is a dugong related to a manatee    is a dugong a type of manatee    is a dugong different than a manatee    is a dugong bigger than a manatee    is a dugong similar to a manatee    is a sea cow a manatee or dugong    what is the difference between a dugong and a manatee