Agusan Marsh Wildlife Sanctuary

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Agusan Marsh Wildlife Sanctuary
IUCN category IV (habitat/species management area)
Map showing the location of Agusan Marsh Wildlife Sanctuary
Map showing the location of Agusan Marsh Wildlife Sanctuary
Location in the Philippines
Location Agusan del Sur, Philippines
Nearest city Butuan
Coordinates 8°19′0″N 125°52′0″E / 8.31667°N 125.86667°E / 8.31667; 125.86667Coordinates: 8°19′0″N 125°52′0″E / 8.31667°N 125.86667°E / 8.31667; 125.86667
Area 14,835.99 hectares (36,660.5 acres)[1]
Established October 31, 1996
Governing body Department of Environment and Natural Resources

Agusan Marsh Wildlife Sanctuary is a protected area in the Philippines declared by the former President Fidel V. Ramos. The marshland acts like a sponge, as it is nestled in the midwaters of the Agusan River drainage basin. Within its lakes, several floating communities can be found. The sanctuary was home to the 20.24 feet (6.17 meter) saltwater crocodile Lolong, the world's largest captive crocodile.[2][3]

The Agusan Marsh covers the municipalities of Bunawan, Veruela, Loreto, Talacogon and La Paz in the province of Agusan del Sur.


Agusan Marsh is one of the most ecologically significant wetlands in the Philippines. Found in the heart of Mindanao's Agusan Basin, this vast expanse of marsh covers an area roughly the size of Metro Manila. It contains nearly 15% of the nation's fresh water resources in the form of swamp forests.

During the rainy season, when the water rises to create large lakes, vast number of ducks come to Agusan Marsh to nest. In the dry months, thousands of birds come from as faraway as Japan, China and Russia to escape the chilly winter winds of Northern Asia. Over 200 individual species have been known to spend at least part of the year in the marsh, making it one of Asia's most important transit points for wild birds.

In the very heart of the marsh is a semi-permanent lake where many square kilometres of lily pads, hyacinths and other hydrophytic plants spread out like an enormous green quilt. In the dark tea-colored waters live untold numbers of catfish, carp, soft-shell fresh water turtles, and crocodiles.

Agusan Marsh is also host to "Wonderland", where you can see natural "bonsai" trees crafted by nature. It can be reached from Barangay Caimpogan or from Barangay New Visayas in the municipality of San Francisco.

The tiny community of mostly ethnic Manobos have made their permanent homes deep within the marsh, living on floating homes. The small houses made of bamboo and nipa lashed to hardwood logs, freely rise or fall with the level of the marsh itself. The marsh provides virtually everything the Manobos need.[4]

See also[edit]


  1. ^ "Proclamation No. 913, s. 1996". Official Gazette of the Republic of the Philippines. Retrieved 28 October 2015. 
  2. ^ Quismundo, Tarra (2 August 2010). "NGOs launch biodiversity study to save Agusan Marsh". Philippine Daily Inquirer. Archived from the original on 7 August 2010. Retrieved 21 September 2010. 
  3. ^ "Agusan Marsh Wildlife Sanctuary". UNESCO. Retrieved 21 September 2010. 
  4. ^ Tupas, Jeffrey M. (29 August 2010). "Enchanting adventure in Agusan Marsh". Philippine Daily Inquirer. Archived from the original on 31 August 2010. Retrieved 21 September 2010. 

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