Svart Hona 5 weeks... gender behavior differences

[goedric]

Some of my Svart honas are starting to act differently perhaps along gender lines.. when i remove them from their mini coop and set them in the open.. the ones that look more like hens (small combs) freeze like statues for an extended period of time. The ones with thick legs and bigger combs are irritated from the start. All are about the same size. Have others noticed this? here are 3 pics of the assumed hens and then 3 of the assumed males...

Also the presumed hens are very sweet... the presumed males are little monsters... i suppose time will tell

 

[drumstick diva]

I'm unfamiliar with the breed - how old are they?

 

[Nyla]

Here is a thread specifically for your breed:
https://www.backyardchickens.com/threads/the-svart-hona-swedish-black-hen-thread.806031/