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.
Rarest of the rarest: top 10 lost amphibians. Rarest of the rarest: top 10 lost amphibians. With more than a third of amphibian species under threat of extinction due to environmental change, Conservation International is appealing for anyone who has spotted a missing species to get in touch. Monday 9 August 2010 08.08 EDT. A Golden toad, Incilius periglenes, last seen in Costa Rica in 1989.