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.
But if it were, and each factor counted equally, Australia, land of Vegemite, kangaroos, and baby-stealing dingos, would rank first for the third year in a row, as it performs quite well in most of the 11 categories that count. Here's how the OECD measures happiness: Housing: Living in satisfactory housing conditions is one of the most important aspects of people's lives, says the OECD, which considers rooms per person, dwellings with access to basic facilities, and housing expenditure as key factors tied to happiness.