The guys in these photos are males in the process of transitioning into breeding plumage, which is why they're all patchy! When they're fully in breeding plumage, they look like this:
Females and males out of breeding plumage look like this:
You can see how the males in the original post are partway between the two! The species is also known as the Red Avadavat or the Red Munia, and they're native to southern Asia














