Borneo hosts 2 species of Muntjac .
The Red Muntjac Muntiacus muntjak and the Yellow Muntjac Muntiacus atheroides
All the 26 photos in the article below are of Yellow Muntjac Muntiacis atheroides a Borneo endemic.
For camera trap photos of Red Muntjac in Borneo see Red & Yellow Muntjac: How to distinguish: Part 02.
DIFFERENCES YELLOW & RED MUNTJAC
| RED | YELLOW | |
| Size | 15% larger | 15% smaller |
| Weight | 20-28 kg | 14-18 kg |
| Male antlers | Two tines. One long, one short | One single straight tine |
| Female | No horns | No horns |
| Color body and legs | Uniformly reddish brown apart from darker legs | Pale yellow flanks and legs with dark line along ridge of back. |
| Tail color | Same as reddish coat. No contrast between flanks and tail. | Dark tail contrasts with the pale flanks as it continues the dark back line |
| Legs | Darker than flanks | Same as flanks (paler) |
| Back of head | Paler than flanks often with a striking patch of yellow orange hair | Darker than flanks extending along the back and continuing on to the tail |
| Face male | Twin black lines extending up horns. Pale gap between base of horns | No black line extending up horns. Gap between horns is dark and extends all the way along the ridge of the back. |
| Face female | Prominent black eyebrows but pale between the ears. | Dark forehead extending between the ears all the way along the back to the tail. |
There are multiple mistakes in the WWF Camera trap Muntjac IDs
