Flora of Ireland. Ireland is in the Atlantic European Province of the Circumboreal Region, a floristic region within the Holarctic.
The previous heavyweight was a North American giant short-faced bearâa related extinct speciesâthat weighed up to 2,500 pounds (1,134 kilograms). The largest bear on record in modern times was a 2,200-pound (998-kilogram) polar bear shot in Alaska in the 19th century.
Ursus arctos horribilis. Standing as tall as 2.5 m (8 ft) and weighing up to 360 kg (800 lbs.), the grizzly bear is a subspecies of brown bear that inhabits western Canada and the northwestern United States. Grizzly bears are specially adapted to survive the changing seasons.