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Laguna de Sonso
Location	Valle del Cauca  Colombia
Nearest city	Buga
Coordinates	3°52′12″N 76°2′13″W / 3.87000°N 76.03694°W / 3.87000; -76.03694
Area	2,045 ha (7.90 sq mi)
Established	1978
Governing body	CVC
Ramsar Wetland
Official name	Complejo de Humedales del Alto Rio Cauca Asociado a la Laguna de Sonso
Designated	14 February 2017
Reference no.	2403

The Laguna de Sonso Nature Reserve is located in the Valle del Cauca Department of Colombia. It contains the last extensive remnant of original natural wetland remaining in the Cauca River Valley in western Colombia, and was declared a nature reserve in October 1978. It comprises a series of marshes and lagoons on the east bank of the Cauca River, between the municipalities of Buga, Yotoco and Guacari. It has an area of 2,045 ha (7.90 sq mi), lying at an altitude of 935 m (3,068 ft). The wetlands are affected by the introduced water hyacinth. The reserve has been designated as a protected Ramsar site since 2017.

Fauna

Birds recorded from the reserve include the fulvous whistling duck, blue-winged teal, osprey, wattled jacana, black-necked stilt, cocoi heron, striated heron, anhinga and neotropic cormorant. Of special interest are the grayish piculet, apical flycatcher, bar-crested antshrike and the scrub tanager. The reserve also supports the only remaining population of the horned screamer in the region.

Mammals found there include common opossum, Pallas's long-tongued bat, common vampire bat, tapeti, capybara, and nine-banded armadillo. There are also cane toads and common snapping turtles, as well as several native and introduced fish species which provide the basis of a local fishing industry, including the native Prochilodus magdalenae which uses the wetlands for spawning.

References

1. ^ "Complejo de Humedales del Alto Rio Cauca Asociado a la Laguna de Sonso". Ramsar Sites Information Service. Retrieved 9 January 2020.

• "Reserva Natural Laguna de Sonso". IBA Factsheet. BirdLife International. 2009. Retrieved 2010-07-16.
• "Reserva Natural Laguna de Sonso". CVC OGAT Centro Sur: Instituto de Piscicultura, Buga. Archived from the original on 2011-07-17. Retrieved 2010-07-16.

v t e Biodiversity of Colombia
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Regional biota	Altiplano Cundiboyacense Eastern Hills, Bogotá Invasive (Hippopotamus) Magdalena River
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Nature reserves	Arví Park Azufral Bahía Portete–Kaurrele Cerulean Warbler Chamicero de Perijá Colibri del Sol Laguna de Sonso Thomas van der Hammen
Organizations	Alexander von Humboldt Fundación ProAves John von Neumann PNN Proyecto Tití SINAP Sinchi
Portal Natural hazards Natural regions Protected areas

v t e Protected areas of Colombia
National Natural Parks	Alto Fragua Indi-Wasi Amacayacu Bahía Portete Cahuinarí Catatumbo Barí Chingaza Corales de Profundidad Corales del Rosario y San Bernardo Cordillera de los Picachos Cueva de los Guácharos Doña Juana-Cascabel Volcanic Complex El Tuparro Farallones de Cali Isla Gorgona La Paya Las Hermosas Las Orquídeas Los Katíos Los Nevados Macuira Munchique Nevado del Huila Old Providence McBean Lagoon Paramillo Pisba Puracé Río Puré Sanquianga Selva de Florencia Serranía de Chiribiquete Serranía de la Macarena Serranía de Los Churumbelos Auka-Wasi Serranía de los Yariguíes Sierra Nevada de Santa Marta Sierra Nevada del Cocuy Sumapaz Tamá Tatamá Tayrona Tinigua Uramba Bahía Málaga Utría Yaigojé Apaporis
Flora and Fauna Sanctuaries	Ciénaga Grande de Santa Marta El Corchal "El mono Hernández" Galeras Guanentá Alto Río Fonce Iguaque Isla de La Corota Los Colorados Los Flamencos Malpelo Otún Quimbaya Plantas Medicinales Orito Ingi-Ande Playona Acandí
National Natural Reserves	Nukak Puinawai
Unique Natural Area	Los Estoraques
Road parks	Salamanca Island
Regional Nature Reserves	Cerulean Warbler Colibri del Sol Laguna de Sonso
Proposed Areas	Bosque Seco del Patía Morichales de Paz de Ariporo Serranía de Pinche Serranía de San Lucas
Biodiversity Natural hazards Natural regions

• Nature reserves in Colombia
• Protected areas established in 1978
• 1978 establishments in Colombia
• Birdwatching sites in Colombia
• Geography of Valle del Cauca Department
• Ramsar sites in Colombia