A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Denmark has twice as many pigs as there are people.
66
95% of people feel uncomfortable when the TV volume is an odd number.
392
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10