Male Indochinese tigers measure 2.55 to 2.85 metres (8.37 to 9.35 ft) in length, weigh 150 to 195 kilograms (330 to 430 lb); the skull measures between 319 to 365 millimetres (13 to 14 in) in length. The average male Indochinese tiger is approximately 2.74 m (9 ft) long and weighs about 181 kg (400 lb). Large individuals can weigh up to 227 kg (500 lb).
Barren ground grizzly
The tundra grizzly has a shoulder height of roughly 37 inches and a body length of roughly 5 feet 1 inch. When Bipedal the bear will be around 6 feet. Lets consider a 400lb male barren ground grizzly, these bears are well known for their aggression.