Sexing Need help sexing my 1 month old guinea pig

[Faraway]

Hi guys, I need some help determine if my new piggy is a boy or a girl.

 

[bpatters]

https://www.cavyspirit.com/sexing.htm

 

[Faraway]

https://www.cavyspirit.com/sexing.htm

Hi thanks for your useful infos. But I just want to make sure I didn't make a mistake or something. I think he is a boy, right?

 

[Soecara]

I really can't tell from that photo, but see my post in this thread for more info that can help you identify if your pups is a boar or sow. https://www.guineapigcages.com/forum/threads/124206-HELP-ME-PLS!-What-is-the-gender-of-my-bubs