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 problem is the loudest sound detected by a blue whale could only reach a little under 1000 miles...thus whatever it is that caused this sound had to be several orders of magnitude larger than the largest known living organism. Take this size comparison chart. A school bus is about this size.