sexing

Hello all. I am new to owning a cat (It's been a while) and I have a new backyard cat buddy I have made since I moved to a new place. I am having trouble understanding if it's a male or female though. I'm curious if anyone here could help identify it? Thank you for your help! Excited to join...

I’m trying to do TNR at a campus in central Colorado but there are a couple of pregnant cats already this year and some are decently far along. How can i sex a feral cat without looking at their bum? I cant quite just reach in and lift up their swishing tails and some of the young cats i cant...