The pygmy shrew.
a rat
ANSWER:The ant is the lightest animal in the world.
The Etruscan pygmy shrew is the lightest mammal.
Seedat Seedat
bumble bee bat
The Etruscan Pygmy Shrew is the world's smallest mammal.
The Etruscan pygmy shrew is the lightest mammal with average adult weighing 1.8 grams.
Shrews, an adult weighs about 2 grams.
The heaviest is the Blue Whale and the lightest is the Pigmy Shrew
The opposite of lightest is heaviest.
the lightest elements are gases and the lightest of these are hydrogen and helium.
The lightest metal is lithium.