bumble bee bat
a rat
ANSWER:The ant is the lightest animal in the world.
The Etruscan pygmy shrew is the lightest mammal.
The pygmy shrew.
pumice
Seedat Seedat
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.
The worlds lightest airplane is I believe the ultralight. Now ultralight aircrafts come in many different shapes and sizes but they are the "Family" of the lightest planes. To see what they look like, go to google.com and type in pictures of ultralight planes.
Shrews, an adult weighs about 2 grams.
59 or 60 pounds
The heaviest is the Blue Whale and the lightest is the Pigmy Shrew