1. Tiger Sharks
Beasts this one will eat whatever is in front of him, ranging from shoes, to fractions of armor plate ever found in his stomach. Sometimes also he bites something impossible he could chew. Gluttony tiger shark has even been started before they were born into the underwater world. In the mother's abdomen, they devoured each other mutually.
2. Pig
These animals are very voracious, even though her stomach is very small. One fact about these pigs, these animals like to sleep on his own feces, so that his body filled with feces.
3. Birds of prey
This one is a carnivorous bird level one. Their food is meat, only meat and meat even though meat was only served "half-baked" and already decomposing. They will eat dead animals as much as possible, as quickly as possible, to the extent that their weight to 20% more weight after eating.
4. Tasmanian Devil
This Australian native animals can eat food as much as 40% of its body weight in just 30 minutes. It may sound normal, but let us compare with humans, then it is the same as we ate 216 hamburgers in the same tempo.
5. Vampire Bats
Animals "cute" is only as big as an adult thumb, but its sharp teeth can tear the blood vessels and suck our blood, as much as 5 teaspoons bite. This animal before sucking blood, he would "peed" first victim.
6. Snakes pythons
Legged animals can not ingest food that is even greater than his own head.Because it has a sluggish digestive system, then the python takes a long time to eat again, roughly within a few days or even months.
7. Wide Mouth Frog Argentina
Also known as horned toads, Argentinean wide-mouthed frog is really not flinch nor fear when visited food. These animals eat what aja such as mice, small lizards and snakes. Even so greedy, can be torn due to glut his stomach.
8. Hummingbird
These animals need food every 10 minutes. With flapping wings 200 times per minute and the heart that beats 1200 times every minute, hummingbirds will burn 14,000 calories, equal to the calories needed to run a marathon man.
9. Blue Whale
Weighing 200 tons and 100 feet long, not just the blue whale the largest animal on planet earth, probably the largest animal that ever existed. The food is krill (shrimp-like invertebrates that the small 1 inch in length), as many as 40 million krill per day.
10. Caterpillar
This caterpillar may be the smallest among the 10 other animals. He was known as "eating machine". During the caterpillar, he will eat the leaves with a very, very greedy. Enlarged 1000 times in just 2 months. Preparation before the "incarnate" into a beautiful butterfly.
source: http://fenz-capri.blogspot.com/2010/11/10-hewan-paling-rakus-di-dunia.html