The span of control of the average manager in an organization determines the width of the organization as seen when viewing the organizational chart. Fewer reports to the average manager will result in a taller organizational chart, with more management positions relative to the number of individual contributors.
Closely related to sloths and anteaters, armadillos are a unique species with around 20 different subspecies. One variety, the Giant armadillo, is close to extinction in their wild habitats of South America.
A Barbary lion from Algeria, 1893. An animal is considered extinct when there are no more living species. Any animal listed as endangered on the IUCN Red List is at risk of becoming extinct in the future. Several factors lead to species extinction, including: hunting, habitat destruction, and climate change.