Found in the islands of Southeast Asia, Tarsiers are small haplorrhine primates. Their most distinguishing feature are their eyes, which are approximately 16 millimeters (0.63 inches) in diameter, almost as large as its entire brain.
The blue whale is the largest and heaviest existing animal ever, so it’s not surprising that numerous organs and body parts of this marine mammal are considered the largest in the animal kingdom. But it's tongue is the most impressive, weighing at a hefty three tons.
Native to Asian forests, the Musk Deer is also called the Sabre-tooth deer for it's large exposed canines. Deer usually don't have fangs and these mammals use their extended fangs in mating disputes rather than eating meat.
Morgan's Sphinx Moth
When it comes to nose-to-body proportions, the Morgan’s sphinx moth is the top contender for the largest ratio. This large hawk moth from East Africa, has a nose (proboscis) that can measure 28 cm (11 in) long, which is around three times the length of the moth’s body.
Japanese Spider Crab
The Japanese Spider crab has some enormous legs for its size. It's body is only about 40 centimeters (16 inches) and boasts the greatest leg span of any known arthropod, reaching an unbelievable 3.8 meters (12 feet) from claw to claw.