A giraffe can go without water longer than a camel.
A person cannot taste food unless it is mixed with saliva. For example, if a strong-tasting substance like salt is placed on a dry tongue, the taste buds will not be able to taste it. As soon as a drop of saliva is added and the salt is dissolved, however, a definite taste sensation results. This is true for all foods.
Nearly 80% of all animals on earth have six legs.
In the marriage ceremony of the ancient Inca Indians of Peru, the couple was considered officially wed when they took off their sandals and handed them to each other.
Ninety percent of all species that have become extinct have been birds.