You can tell male turkeys from females by the beard and size of the bird.
well they are usually brighter colored and larger. as well asthe fact that they have sperm
one can give birth and one cannot.
aside from their sexual organs, toms (male turkeys) also have a "beard", a tuft of coarse hair that protrudes from their upper chest.
The male buzzard has separated feathers at the end of their wings. These look like fingers. The female buzzard does not have these extra feathers.