lower1. 1  to cause to descend; let or put down: to lower a flag. 2  to make lower in height or level: to lower the water in a canal. 3  to reduce in amount, price, degree, force, etc. 4  to make less loud: Please lower your voice.
Biggest Whale-Basilosaurus (60 Tons). Basilosaurus (Nobu Tamura). Unlike the other mammals on this list, Basilosaurus can't lay claim to being the largest-ever of its breed--that honor belongs to the still-extant Blue Whale, which can grow to as much as 200 tons.
A list of the 5-10 largest mammals on earth would include only a list of whales. The blue whale of course being the largest. Blue whale is not only the largest mammal on earth â¦ , but the largest animal of any kind on the earth.Better still, the blue whale, is the largest animal to ever exist on the earth.he blue whale of course being the largest. Blue whale is not only the largest mammal on earth â¦ , but the largest animal of any kind on the earth. Better still, the blue whale, is the largest animal to ever exist on the earth.