An endangered species is a species of organisms facing a very high risk of extinction. The phrase is used vaguely in common parlance for any species fitting this description, but its use by conservation biologists typically refers to those designated Endangered in the IUCN Red List, where it is the second most severe conservation status for wild populations, following Critically Endangered.
I measure my happiness 2 ways. 1  Through a (random and irregular) process of self reflection.  2 Catching myself being happy and remembering the last time I caught myself being happy and trying to determine the time between them.
For everybody, it will be his/her own, special, desired feeling or state of being. To one person, happiness may denote having of a good deal of money. To another person, happiness may denote being prosperous in his/her career or work. For someone, happiness is the presence of family and friends. The comprehension of happiness is intensely individual.