So, can YOU tell the difference between eared pinnipeds by muzzle alone?

1. Stellar Sea Lion - Head

2. Southern Fur Seal - Head

3. Hooker’s Sea Lion - Head

4. Stellar Sea Lion - Nose/Mouth

5. Southern Fur Seal - Nose/Mouth

6. Hooker’s Sea Lion - Nose/Mouth

Transactions of the Zoological Society of London, Vol XII. 1890.