What is the average birth weight of a grizzly bear?

They weigh in the range of 900 pounds.
The weight of male Grizzly Bears ranges from 400 to 600 pounds where as for females it ranges from 250 to 350 pounds
250 lbs.
Male grizzlies average 225 kg (500 lbs), and females average around 160 kg (350 lbs).

** Actually the male can reach 1700 pounds and stand over 10 ft tall, the average weight is 950 pounds for the male,the female can average at 8oo pounds.