Generally, the caves yield 20-30 types of food animal, especially deer, such as Cervus unicolor, Muntiacus muntjak
, Cervus nippon taiouanus, Muntiacus reevesi and Moschus berezovskii.
words (probably borrowings) are ke:i / ke:yi, in the meaning Muntiacus muntjak
13]C around -2 [per thousand] for the open-country grass-feeders Cervus porcinus (hog deer) and Cervus eldi (brow-antlered deer) and around -12 [per thousand] to -13 [per thousand] for Muntiacus muntjak
(barking deer), which 'feed on the edges of forest or in abandoned clearings' (Lekagul & McNeely 1977: 676).