Cuisine varies greatly around the world, but the basic ingredients that sustain humans are pretty similar. We eat a lot of corn, wheat, rice and other simple crops. Read on to find out which foods top the list of most important worldwide, listed by annual production and average yield in 2008.
Howler monkeys are widely considered to be the loudest land animal. According to Guinness Book of World Records, their vocalizations can be heard clearly for 3 mi (4.8 km). The function of howling is thought to relate to intergroup spacing and territory protection, as well as possibly to mate-guarding.
The largest mammal is the Blue Whale which lives in the ocean and can grow to over 80 feet long. The largest land mammal is the elephant followed by the rhino and the hippo (which does spend a lot of time in the water). The smallest mammal is the Kitty's hog-nosed bat.