The difference is a matter of a pinion - one has one more pinion feather than th...

		anamax on March 25, 2022 \| parent \| context \| favorite \| on: Crows possess higher intelligence, thought a prima... The difference is a matter of a pinion - one has one more pinion feather than the other. No, I don't know which. Heck, I don't even know what distinguishes a pinion from other feathers on the wing.