The average length of the umbilical cord in newborn babies is about 50-60 centimeters.
Newborn of this largest of the rattlesnakes average between 12 to 16 inches as hatchlings.
A newborn kangaroo, or joey, is about the size of a bean, that is, about 10 - 12mm.
The length of a newborn minke whale is 8-9 feet.
The average length of an adult male hand is 189 mm, while the average length of an adult female handis 172 mm.
usually about the size of your hand (not including your fingers)
The average hand span of a man is 3.5 inches across and 7.6 inches in length.
Newborn of this largest of the rattlesnakes average between 12 to 16 inches as hatchlings.
If I am correct about what you're asking, the average hand span is the same length as one's face.
That average hand length for a 16 year old male would fall somewhere between 6.8 and 7.6 inches long.
Newborn Tasmanian devils are less than 2cm in length.
The average newborn stomach size is about 5-7 milliliters.