Steller's sea cow (Hydrodamalis gigas) was probably around five times as massive, but was exterminated by humans within 27 years of its discovery off the remote Commander Islands in 1741.
Stellerova morska krava (Hydrodamalis gigas) je bila vjerojatno pet puta masivnija, ali su je ljudi istrijebili 27 godina nakon njenog otkrića na komandorskim otocima, 1741. godine.