The evolutionary history of mankind is that of the human line and retraces the steps of their evolution over geologic time. It does not limit itself to the study of the genus Homo, but more generally includes all members of the family of hominids (i.e. including the australopithecines that are not, strictly speaking, our [...]

  Dinosaurs (Greek deinos, sauros terrible lizard) form a highly diverse variety of diapsids vertebrates, currently represented by birds. They are oviparous archosaurs with a common upright posture and sharing a number of physical similarities such as the absence of a postfrontal in the skull and the presence of at least three sacral vertebrae. Present [...]

  In biology and ecology, the term applies to any endangered species that could disappear. Species are declared endangered if they meet specific criteria (habitat loss, significant decline in its population, genetic erosion, over fishing or hunting etc..). These criteria are generally established or validated by the IUCN, and help to refine the risk of [...]