onca), ocelot (Leopardus pardalis), jaguarundi (Herpailurus yagouaroundi) and puma (Puma concolor), and three of Costa Rica's four species of monkey: Geoffroy's spider monkey, the mantled howler, and the white-headed capuchin. Other mammals include three-toed sloths (Bradypus variegatus), paca (Agouti paca), peccary (Tayassu pecari), tapir (Tapirus bairdii), white-tailed deer (Odocoileus virginianus), armadillo (Dasypus novemcinctus) and 442 species of birds inhabit the area, including kingfishers, toucans, great blue herons and parrots. Neotropical migratory birds fly through this park, a noted bird species which is the crested eagle (Morphnus guianensis), which is the second largest bird of prey. An endangered species is the great green macaw (Ara ambiguus). 134 species of migratory birds have been recorded. The park is a migratory stopover for nearly one million birds annually. As of 1976 54 freshwater fish and 84 marine species are recorded for the area. Another source gives 30 species of freshwater fish. Some families of marine and freshwater fish reported are: The Cichlidae, Characidae, Pimelodidae, Carcharhinidae, Centropomidae, and Lutjanidae. Species include the bobo mullet (Joturus pichardi), which breeds in the estuaries but migrates upriver. Other species include eel, the bull shark (Carcharinus leucas), tarpon (Megalops atlanticus), snook (Centropomus parallelus) and tropical gar (Atractosteus tropicus). As of 1995 only a single species of freshwater mollusc had been recovered from the park, a small bivalve identified as either Mytilopsis guianensis or M. sallei, but a minimum of 10 species was estimated in 1995. and a variety of crustaceans are found here. Two important crustaceans are the shrimp Macrobrachium carcinus and M. tenellum which are fished for in and around the park by local inhabitants of the towns surrounding the area. 54 species of amphibians and 110 species of reptiles are known from here. Seven species of land turtles are known from here. Reptiles and amphibians reported are: Caiman crocodilus, Crocodylus acutus, basilisk lizards, Chrysemys spp., Rhinoclemmys spp., poison-dart frogs (Dendrobatidae), and many endemic species of salamanders. Flora As of 2006, the known flora is represented by 779 species, of which 36 are endemic to the country. According to other sources the national park ecosystem has more than 400 species of trees and about 2,200 species of other plants. The wet lowland Atlantic slopes (mostly below ) of northern Costa Rica, particularly along the coast, form into mangrove forests. The forests in this region consist of the gavilán (Pentaclethra macroloba), caobilla (Carapa nicaraguensis), the almendro (Dipteryx oleifera)