So obviously everyone reading this is going to go away and spawn and computer vision startup, and it turns out much progress has already been made[0][1], including prediction sex before hatching[2].

0: https://vixra.org/pdf/1405.0016v1.pdf

1: https://www.researchgate.net/publication/342532726_Estimatio...

2: https://www.tandfonline.com/doi/full/10.1080/00071668.2019.1...