well, is there???
Exactly wildlife usually refers to anything considered wild, both land and water. But when the term is used people generally are refering to land animals. Marine life is strictly water animals only, not the ones who can live both on land in water but, only water, like whales
wildlife is a term that covers land animals as well as water animals. marine life is the term that exclusive for water animals only.
Wildlife is anything that lives in the wild outside the ocean. Marine life is anything that lives in the ocean
marine is in the ocean or to do with water, wildlife is stuff that lives on the lands