Does this chick poop look normal?

[HollyBonds]

Hi my chicks are about 4 weeks old and it seems their poop is changing. Does this look normal?

 

[redsoxs]

It doesn't look what I would consider normal....but I'm certainly not and expert. You might take a look at the aptly named Poop Chart in the link below. It may give you some information on what, if anything, is up with your flock. Best of luck to you!
http://chat.allotment-garden.org/index.php?topic=17568.0