Board Thread:Off Topic/@comment-24993958-20151106142232/@comment-25396609-20151119021811

My point about Blake and Sun was that he figured it out at a glance while running past,

"I knew you would look better without the bow"

Never having met her before and with no time to thoroughly examine her. How he did it? hard to say, could be pheremones, could be dumb luck, but point stands it happened, but not until he was in close proximity.

This can be extended to the possibility that all faunus are capable of detecting the difference when in close, and having it be related to proximity (pheremones, once again) explains why Deery couldn't tell at a distance