Pacific Green Turtles as well as many species of fishes from Yellow Fin Tuna to Marlin, Sailfish and a variey of grouper, snapperand jack. With a large tract of the peninsula forming the Corcovado National Park, which conserves the largest primary forest on the American Pacific coastline, this area has the single largest expanse of a lowland tropical rainforest in Central America and is one of the tallest rainforests in the world.
Pristine rainforests combined with the stunning shoreline of the Pacific Ocean form the rugged natural beauty of the Osa Peninsula and make this region among the most beautiful areas in the world. Declared ‘one of the most biologically intense places on earth’ by National Geographic Magazine, the Osa Peninsula has become a premier eco-tourism destination. The southern most peninsula in Costa Rica, the Osa Pennisula is a secluded natural wonderland and home to more than half of all animal and birdspecies living in the country including many of the its most endangered - Puma, Jaguar, Spider Monkey, Harpy Eagle, Baird’s Tapir, Scarlet Macaw and the White Lipped Peccary.
The Osa Peninsula is also home to more than 750 species of trees, 117 species of reptiles and amphibians, 365 species of birds and over 120 species of mammals.The surrounding oceans harbor Humpback Whales, Spotted dolphins, Bottlenose Dolphins, Roughtooth Dolphins, Orcas, Whale Sharks, Rissos Dolphins, Spinner Dolphins, Pilot Whales, and Beaked Whalesand Beaked Whales Olive Ridley and