The recent rapid decline in vulture population leading gradually to their mass extinction seems to indicate that at some time a species succumbs to some climatic or physiological factors. Some of the well-known mass extinctions that have taken place over millions of years are indicated below:
•Pterodactyls — These were giant flying reptiles with bat-like wings.
•Dinosaurs — These were gigantic four-footed reptiles who ruled the world for 140 million years in the Mesozoic age (180-100 million years ago) and perished 70 million years ago. Some were herbivorous whilst the deadly Tyrano-saurus was carnivorous. A widely held theory is that they couldn’t......