A newly hatched ostrich weighs between 1,600 and 2,300 grams at birth. When fully grown an adult ostrich can weigh well over 125 kilograms.
A male ostrich can weigh as much as 150 kg.
It depends on how smart the ostrich is
Male ostriches don't lay eggs.
they weigh about 30 -90 lbs at birth
They weigh about 5-10 lbs
The birth weigh depnding on species is 4.5 to 15 ounces (128 to 430 grams).
3
A pound at birth.
45-80lbs.
Most weigh around ninety-thousand pounds
When first hatched, platypuses weigh barely a gram.
Jersey calves are small at birth, and may weigh around 40 to 60 lbs at birth.