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Wilpattu Kumbuk Wila villu: karst aquifer recharge and leopard drinking ambush patterns?

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Arjun Ambush•930 rep

How do giant riparian Kumbuk trees (Terminalia arjuna) along the banks of Kumbuk Wila filter groundwater and provide ambush perches for hunting leopards?

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Kumbuk Wila is one of the most prominent natural freshwater basins in central Wilpattu National Park, encircled by a dense gallery forest of mature Kumbuk trees (Terminalia arjuna). Kumbuk root networks feature extensive buttress structures that penetrate into the sandy aquifer, stabilizing the sand rim while filtering dissolved organic acids. During midday heat, leopards (Panthera pardus kotiya) climb horizontal Kumbuk branches overhanging water margins, resting in dense shade. From these elevated perches, leopards scan for spotted deer emerging to drink across open sandbars before descending silently for ambush charges.

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Dr Bandara DWC•1890 rep

Kumbuk bark contains high levels of calcium carbonate and tannins; fallen leaves sinking into the shallows impart a clear, tea-colored tint to peripheral water pools.

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Arjun Ambush•930 rep

The sandy shores around Kumbuk Wila preserve clear footprints of barking deer, sloth bears, and fishing cats alongside prominent leopard pugmark lines.

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Ranger Upul Yala•1750 rep

A designated wooden visitor pavilion allows safari guests to step out of vehicles to scan the open lake bed with binoculars during scheduled rest stops.

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Sarah Field Scout•1720 rep

Flocks of Oriental Darts (Anhinga melanogaster) nest in dead upper Kumbuk branches, diving into the lake to spear freshwater barbs and snakeheads.

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Prof Gamhewage Bio•1950 rep

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