how old are these gals

[roostercogburn2]

I have 3 young EE's but im not sure there age and when theyll start laying .

thats Gurly behind my two roo's since I have taken this picture she has grown quite substantially and is close to the hieght of my RIR hen . I have two more exactly the same size but i dont know the age of them could you help me.

 

[roostercogburn2]

Heres another pic of them

 

[nicalandia]

Heres another pic of them

its hard to tell a hens age, my buff cochin he is 5 years old and looks as young as if she was 1 year old hen

 

[roostercogburn2]

I was just wondering because ive been reading a fair amount of forum stuff

and a bunch of people answer questions similar to mine just by looking at the photos
idk tho