Costa Rica Carara National Park
The park enjoys a unique location between the Amazon and the habitat of Mesoamerica in a transition zone where the varied flora and fauna of each respective habitat. It really is a special place. The name of the park, where the native Huetar means crocodile. Anyone who visits understand the meaning of this name as the Tarcoles River (Rio Tarcoles), which forms the northern boundary of the park is inhabited by crocodiles 
almost all year.
What to see there ?
The other animals are likely to see are white face capuchin monkeys and scarlet macaws that migrate daily from the inside cover of dense mangrove forests near the mouth of the Tarcoles where they tend to roost. If the stripes of colors in the sky left by macaws are not attractive enough, birders can enjoy toucans, parrots, aracaris, kingfishers, herons, which bloom in coastal mangroves. Other animals in the park are peccaries, anteaters and poison arrow frogs up temporarily on the floor of the jungle.
Carara Park and Jaco Beach
Carara National Park is just 9.3 miles (15 km) north of Jaco and about an hour from San Jose. Several miles of trails are open to visitors. Ask at Quebrada Bonita Ranger Station, located along the highway 34 minutes south of Tarcoles River. The guard will be happy to give you tips and updates much of the fauna described above. Early morning or evening is usually the best time to see the many birds that inhabit the park, especially scarlet macaws.
The park opens at 7 am and closes at 17 pm. Admission is $ 7. Do not forget to bring bug spray. Tarcoles River, which borders the park and empties into the Pacific Ocean, is a great place to attend the closing American crocodile. Boat trips are available to view, as it can go up to several meters long! At the mouth of the Tarcoles Guacalillo mangroves play a vital role for the survival of many species of wildlife that can be found here.
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