gender help please

[mixedflockmomma]

I bought these three standard bronze chicks in march. I think I have 2 males and a female, but would love a second opinion.
#1

#2

#3 my fave, it follows me around. Other two could care less what I do.

 

[animalover14]

Hello I that this site was very helpful to me!

https://www.backyardchickens.com/a/how-to-tell-your-chickens-gender