Longest Animal : Researchers Discover Longest Sea Organism Ever In Deep Canyons Of Western Australia The Weather Channel Articles From The Weather Channel Weather Com. The average elephant lifespan is around 70 years. Arctic terns hold the record for the longest annual migration recorded by any animal. Most people would guess whales, and while whales are the heavyweights, there are a lot of other big species like jellyfish, sharks and even squid. This article is more than 1 year old. World's longest animal discovered in australian waters.
African elephants are the largest living land animals and, with an average lifespan of 70 years, one of the oldest. As a general rule, larger mammals tend to have comparably longer life spans, but even by this standard, the bowhead whale is an outlier: Experts are able to tell the age using several characteristics including their size and number of teeth. This article is more than 1 year old. It is one of the longest living animals in the world.
