The heaviest newly-born baby panda weighed 247 gram, whereas the smallest weighed only 53.7 grams. The average weight is 140 grams.
Among all placental mammals, the giant panda has the smallest baby-to-mother weight ratio.
An adult panda (generally over 5 years old) weighs between 80 to 150 kilograms.
More info: lovelypanda.net
