Redfoots: Gender?

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Hi
I have been asked the gender of two redfoots... I do not have much experience with redfoots, so I appreciate some opinions. I think my hermanns are easier to sex!

 

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1st pic...is a male for sure. ....Second pic looks to be female .

JD~:shy:

 

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Thanks!
I'll let him know.
I thought I'd be able to sex them since I can sex Greeks and hermanns, but it was less clear than I expected!