What gender? 3 Rescued chickens. Unknown breed and age

[SwampPrincessChick]

Now that I can tell them apart a bit better, here’s #1 who is the biggest and most upright and has small spur bumps.. And #3 for comparison. I guess I’m just skeptical they are all hens because why did someone dump 3 purebred hens?

They are sweet chickens and doing well
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They were Delaware hens. And they still are. They aren't very straightbred though, none of them have good hackle coloring.

Also, females have spur nubs, that is nothing unusual. The older a chicken gets, the longer his/her spurs will grow.

She’s ok!! As soon as I woke up I heard her outside and she is totally fine and safe. So relieved. I know I’ve had these chickens less than a week but I couldn’t stand the thought of something happening to her!
Thank you all for your kind words

I am happy that she returned!