Population
Estimated population is 20,000 - 49,999 (2010) and decreasing.
Status NR
Habitat destruction through logging and small-scale forest encroachment are minor threats.
For more information see BirdLife International Species Factsheet.
Habits
Forms groups of 5 - 6, although up to 30 individuals have been observed together.
Food
Includes ants, termites and other invertebrates.
Voice
Said to recall Bar-backed Partridge (Arborophila brunneopectus), which gives a rapid series of loud 'brr' notes, leading up to separate series of 'wi-wu' couplets (with stressed first note).
Siamese Partridge (Arborophila diversa) [XC343655]
by Philip Round from Khao Soi Dao Tai, Khao Soi Dao Wildlife Sanctuary, Tambon Thap Sai, Amphoe Pong Nam Ron, Chang Wat Chanthaburi, Thailand (call, song)
Siamese Partridge (Arborophila diversa) [XC270505]
by Ingkayut Sa-ar from Khao Soi Dao Tai, Khao Soi Dao Wildlife Sanctuary, Tambon Thap Sai, Amphoe Pong Nam Ron, Chang Wat Chanthaburi, Thailand (song)
Subspecies
Considered by some authors to be a subspecies of Chestnut-headed Partridge (Arborophila cambodiana).
No subspecies.
Similar Species
Nothing within its range, but the extralimital Bar-backed Partridge (Arborophila brunneopectus) has similar upperparts but is typically less heavily marked with black.
References
See References.