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General Information


Palo Verde is one of the most important sanctuaries in Central America for migrating and resident species of waterfowl. Visitors would discover the natural beauty of the tropical dry forest and the magnificent wetlands, a rich mosaic that encompasses 15 different habitats.
During most of the year, the marshes, which can be seen from the station and reached in a few minutes walk, provide shelter for herons, storks, egrets, grebes, ibis, ducks, jacanas and other waterfowl and web-footed birds, many which are migratory.



Palo Verde Highlights


  • Explore one of the last remnants of dry forest of the Neotropics. More than twenty endangered hardwood tree species are protected.

  • The seasonal Palo Verde Wetland is considered one of the most important marshes in Central America.

  • Important refuge site for resident and migratory waterfowl.

  • Palo Verde's wetland is a Ramsar site.

  • Large numbers of aquatic birds can be seen: Grebes, Cormorants, Anhingas, Herons, Jabiru Storks, Ibises, Spoonbills , Falcons, Caracaras, Jacanas and many more.

  • The mammal fauna is equally rich and visible, particularly during the dry season when peccaries, armadillos, Yaguarundis, coatis, agoutis, deers, and monkeys are attracted to the water holes.

  • Since 2001 OTS, MINAE and the National Program for Wetlands have been working closely on the restoration of the wetland.

  • More than 60 species has come back and had used. This marsh for feeding, resting and reproduction events.

  • Home of the endangered species Mexican burrowing toad, which lives underground and only comes out for mating in early wet season.

  • More than sixty species of bats have been reported, including the great false vampire.

  • Isla Pájaros in the Tempisque River, is the most important nesting colony for wading birds in northwest Costa Rica. Eleven resident bird species and some 3000 individuals altogether nest there, late in the wet season.

  • Tempisque River has one of the largest concentrations of crocodiles in Costa Rica.

  • Along the Tempisque River, within mangrove forests, nesting colonies of boat-bill heron, little-blue herons, and yellow-crowned herons are easily spotted, among other species.


For information and reservations: visit.ots @ tropicalstudies.org


Biological Stations:
La Selva
Las Cruces
Palo Verde

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