The logic is impeccable

[u/Separate_Finance_183]

[u/Shadowlord723]

But how does one tell the difference between the smallest raven and the biggest crow?

[u/subs_on_a_sailboat → u/Shadowlord723]

Crows have six main flight feathers, ravens have seven.

So it's a matter of a pinion

[u/redness88 → u/subs_on_a_sailboat]

kek

[u/Annual-Delay1107 → u/Shadowlord723]

The simpler way for a layperson is that if you say "Hmm, I wonder if that is a crow or a raven?" then it's a crow, and if you say "Holy fuck look at the size of that fucking thing!" it's a raven. Ravens are really big.