Discovery - Why a dolphin’s dorsal fin is like a fingerprint - ÃÛÑ¿´«Ã½ Sounds

Discovery - Why a dolphin’s dorsal fin is like a fingerprint - ÃÛÑ¿´«Ã½ Sounds
Why a dolphin’s dorsal fin is like a fingerprint
Marine scientist Barbara Cheney explains why each dolphin’s dorsal fin is visually unique