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.
There are now 41,415 species on the IUCN Red List, and 16,306 of them are endangered species threatened with extinction. This is up from 16,118 last year. This includes both endangered animals and endangered plants. The species endangered include one in four mammals, one in eight birds, one third of all amphibians and 70% of the worldâs assessed plants on the 2007 IUCN Red List are in jeopardy of extinction. The total number of extinct species has reached 785 and a further 65 are only found in captivity or in cultivation.