I haven’t been to Cambodia yet, but I’ve included community reports from those that have.
Cambodia, 2023: Philllip1229, 1 week & 10 species including Southern Yellow-cheeked Gibbon and two Pygmy Lorises (at what may be a reliable site for them).
Cambodia and Laos, 2019: Keith Millar, 19 days & 17 species including Yellow-cheeked Crested Gibbon, Indo-Chinese Silvered Langur, Black-shanked Douc and Irrawaddy Dolphins.
Cambodia, 2018: Cheryl Antonucci, 2 weeks & 10 species including Irrawaddy Dolphins and Northern Yellow-cheeked and Pileated Gibbons.
Vietnam & Cambodia, 2016: Royle Safaris, 16 days & almost 40 mammals including Pygmy Loris, Owston’s Civet and Spotted Linsang.
Thailand, Laos, Cambodia & Vietnam, 2016: Royle Safaris, 26 days & 50+ species including Large-toothed Ferret Badger, Northern and Southern Buff-cheeked Gibbons, Pygmy Loris, Fea’s Muntjak and Cat Ba Langur.
South East Asia, 2010: Matt and Maureen Steer, 8 weeks & 31 species including Hairy-nosed Otters, Gaur and Pangolin (Thailand), Short-clawed Otters (Malaysia) and Smooth-coated Otters (Singapore).
Thailand and Cambodia, 2010: Stefan Lithner, 3 weeks and 39 species including Eld’s Deer, Asiatic Black Bear and Irrawaddy Dolphin.
Cambodia, 2009: Uffe Gjøl Sørensen, 2 weeks & 8 species including Irrawaddy Dolphins and Phayre’s Flying Squirrel.