The Sibugay Wetlands surrounding Sibugay Bay in western Mindanao form one of the largest and most intact coastal wetland systems in the southern Philippines, comprising extensive mangroves, intertidal mudflats, seagrass beds, coral reefs, and estuarine environments. The site supports internationally important waterbird populations, with species such as Great White Egret Ardea alba and Intermediate Egret Ardea intermedia exceeding the 1% flyway population threshold, alongside regular records of globally threatened species including Far Eastern Curlew Numenius madagascariensis and Great Knot Calidris tenuirostris.

In addition to its importance for migratory birds, the wetland system sustains fisheries and coastal livelihoods while providing regulating services such as shoreline protection and carbon storage. The site also supports notable biodiversity, including dugongs, whale sharks, and large flying fox populations. However, pressures from aquaculture expansion, hydrological modification, and coastal development threaten ecosystem integrity, highlighting the need for enhanced management, restoration, and sustainable livelihood interventions. 

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