hair and clothing seemed to predominate over finer details of the face,
Appendix to “Is that a boy or a girl?”
Kerry Rodden

Yes! As a person of transition I have experienced this and also observed it in how people gender others. There was a classic study in the Scientific American written in the early 1970s which looked at how many pixels it took to identify a person. The famous example was President Lincoln which took only about a dozen.