Sexing 4 week old coturnix?

[SarahGfa]

Is it possible to sex them at this age? Here are some pics:

#1. (the one on the left) and #2. (the one on the right)

#3.

#4 (probably no way to tell?)

Thanks!

 

[feedman77]

1 and 2 look male. But need better pic of breast feathers on bird on left.

3 and 4 not sexable til they crow or lay an egg.

 

[SarahGfa]

thanks @feedman77
Here is a better pic of #1.. can you tell from this?

 

[feedman77]

Still can't tell.
The speckled feathers at top of breast say female. But in the pic the rest of the breast looks to rusty and reddish to Me. To be a female.

Compare color of 1 and 2 main breast feathers. If same color. Males.

 

[SarahGfa]

thanks, color is about the same, so i guess it's another male!