my 6 week old chicks any idea on there gender?

[liam345]

hi can anyone tell me if they roosters and or pullets please thank you

https://www.backyardchickens.com/forum/uploads/43181_sdc10267.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10271.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10275.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10279.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10282.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10284.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10292.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10295.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10299.jpg

https://www.backyardchickens.com/forum/uploads/43181_sdc10300.jpg

 

[wordgirl]

Do you know what type? And are there just two of them?

 

[wordgirl]

Photos 1, 2, and 3 is/are a boy, I think. The whitish-brown chick I'm not totally sure about.