Considered the best birding site to explore for a few hours at this open marshland with paddy fields, ponds, bushes, and grassland, stretches the edge of the Great Tonle Sap Lake. Including waders including Pintail Snipe, Oriental Pratincole, Jacana, Swamphen, bitterns, waterfowl….
A bit further from Kbal Spean base there is a dry Deciduous Forest good for 2 hour of morning birding including Black-headed Woodpecker, Great Slaty Woodpecker, White-bellied Woodpecker, Burmese Nuthatch, Velvet-fronted Nuthatch, etc.
It is situated in dry Dipterocarp with some semi-evergreen forest providing excellent habitat for wildlife including 8 species of woodpeckers, Rufous-winged Buzzard, White-rumped Pygmy-falcon Collared Falconet, Velvet-fronted and Neglected Nuthatch….
The grassland supports Critically Endangered Bengal Florican, the rare wintering Manchurian Reed-warbler, Sarus Crane, Greater Spotted Eagle and Imperial Eagle, Pied Harrier and Eastern Marsh-harrier, Siberian Ruby Throat, Red Avadavat, and Small Buttonquail …
The feeding reserve for the tallest flying bird Sarus Crane, six species of ducks, 4 species of owls, Black-necked Stork, Purple Swamphen, Bronze-winged, Pheasant-tailed Jacana, Spot-billed Pelican, Greater Spotted Eagle, Milky Stork, Painted Stork, Oriental Plover ….