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.
The Earth stands on the brink of its sixth mass extinction and the fault is ours. The rate at which vertebrate species are dying far exceeds the norm. The marine Tylosaurus and the flying Pteranodon died out in the Cretaceous-Tertiary extinction.