In Island of Lobos in front of the oceanic coasts of Punta del Este inhabits one of the largest colonies of sea lions in the world. They live on the island 2 species: fine or 2-hair wolves (Arctucephahus australis) and sea lion or one hair ( Otaria Flavescens)

Fine Sea Wolf
It is gray, with something silvery or reddish on its back and gray orange on the belly. It has 2 layers of hair. The young are black until their 1st change of hair, when they acquire a light gray color. They present a marked sexual dimorphism, the males in the neck have the longest and most abundant hair, they are larger than the females they measure almost 2 meters and weigh approximately 160 Kg, while the females reach to measure 1.50 and weigh about 50 Kg.
The colony of fur seals is not migratory, it remains and reproduces throughout the year. It feeds on fish, cephalopods, crustaceans, lamelibranchs and marine snails. Occupy the island rocky and steep areas.
Recommendations for its observation:
- Do not touch them, it could be harmful to the species and to your own safety.
- Do not approach the stones / island (they are territorial).
- Do not leave the boat and pay attention to the recommendations of the crew.

Sea Lion
The name comes from its thick neck and mane on the head of the male. They are yellowish brown with a snout large and flat, their offspring from birth to the first month have black fur. The males weigh between 300 and 350 Kg and measure 2.60 m., Whereas the females weigh 150 Kg and measure 2 m. long. The female has the smallest head, while the young males resemble her before the mane grows. The young in their hair and size are similar to the females although with larger heads.
The sea lions do not migrate all, only the males retreat to the sea for a time to finish the breeding period. They eat crustacean fish and molluscs.
Lions and sea lions cohabit peacefully as they do not feed in the same places and have reproductive cycles that do not overlap.