Mastodon largest male specimens, the 35-year-old AMNH 9950 was tall and weighed , while another was tall and weighed . Like modern elephants, the females were smaller than the males. They had a low and long skull with long curved tusks, with those of the males being more massive and more strongly curved. Mastodons had cusp-shaped teeth, very different from mammoth and elephant teeth (which have a series of enamel plates), well-suited for chewing leaves and branches of trees and shrubs. Based on the characteristics of mastodon bone sites, it can be inferred that, as in modern proboscideans, the mastodon social
Extinct animals from the Isle of Man Extinct animals from the Isle of Man Manx cattle became extinct c. 1815. A description of the breed survives along with a record that the Manx people referred to them as "Boaghans" or "Boghans" (Manx words for cow include "Booa" and "Baa"). Thomas Quayle described the Manx breed, just as they were dying out, in his 1812 "General View of Agriculture in the Isle of Man": The Manx sheepdog was a breed of sheepdog from the Isle of Man that is now extinct. Little is known about the breed except that it had a remarkable "ability to 'hould' or separate