How do you tell the difference between male and female quail

  How do you tell the difference between male and female quail? When they are chicks and adults
Depending on what species.

Chines Painted, the males have a white bit in all mutations.the females are either a drab brown but mutations of either the hens do not have the bib.



Japanese the males usually carry white round their heads the females are as other mainly a drab brown/black and do not carry white.



Bob white the male carries a white mask the females are brown.



It all depends on which species you are referring too.
The chinese painted male quail have a white bib under their chin which the females don't have. The females are slightly larger than the males with a plumper body.