4 mm in diameter
a fish egg is very small perhaps 1or 2 mm!
A Barn owl egg typically measures around 45-50 mm in length.
They have a diameter of around 1 mm.
Laughing kookaburras' eggs are 46mm x 35 mm.
Platypus eggs are just a couple of centimetres in size - about the size of a grape. They average 11 mm in diameter. They are small, smooth and leathery, unlike birds' eggs, which are hard-shelled. They weigh just a few grams.
The diameter of a human egg cell is typically around 0.1 millimeters, which is roughly the size of a grain of sand.
A pocket watch with a 47 mm diameter is about the size of a large egg or a small lemon. It will fit comfortably in the palm of your hand and its size makes it easily portable in a pocket.
Laughing kookaburras' eggs and the Blue-winged kookaburras' eggs are about 46mm x 35 mm, or the size of a chicken's egg. The Spangled kookaburra, a smaller species, lays eggs around the size of a bantam chicken's eggs.
An unfertilized egg in a human body is typically around 0.1 mm in diameter, which is roughly the size of a grain of sand.
The American kestrel, at eleven inches in length. This is the smallest falcon.
The Kestrel Talon sizing chart provides information on the recommended frame size based on the rider's height. It helps determine the appropriate size of the bike for a comfortable and efficient riding experience.