3 week old BB's, oh my red comb!

[Jheem13]

The BB on the right has a very red and a bulging comb for being only 3 weeks...definite roo?

Also, chick on the left constantly shakes, any ideas there?

 

[paisleyrae]

I think rooster...

 

[ozarkchicks]

not sure why the chick shakes but you have a rooster