Are Birkin bags real crocodile?

Yes, Crocodile Birkins are made from real Crocodiles. Niloticus croc is sourced from the Nile river; while Porosus croc is sourced from Asia or Australia. Niloticus scales are generally larger than Porosus. Niloticus is marked with a “..” diaeresis mark in foil; while Porosus is denoted by the “ˆ” (carat) mark in foil. Generally speaking, Porosus is more sought after and has greater resale value due to its smaller and more symmetrical scales.