I’ve looked at thousands of deer jaws; observed and handled hundreds of deer in 3 different states; and worked with white-tailed deer for 2 decades.

Can I accurately age a deer from a photograph? Or by antler size? Absolutely not!

Why? Because it’s not possible. And anyone who tells you different is pulling your leg (to put it mildly).

Source: Age and Antlers — Deer-Forest Study — Penn State University