Possible breed and gender?

[Rare]

Guys what about her/him?

 

[Party_Chicken]

Guys what about her/him?
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Probably an amber link

 

[Rare]

Probably an amber link

And rooster right?

 

[SilverBirds]

Eggs from a random seller probably means a bunch of mixes.

 

[BastyPutt]

Guys what about her/him?
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I believe this chicken is white.

 

[BastyPutt]

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Probably a barred rock or barred rock mix.

 

[BastyPutt]

Eggs from a random seller probably means a bunch of mixes.

Yes. Nearly impossible to guess chicks from mixes. Mature birds are a bit easier.