A study was conducted to determine herbivorous habits of wild pig (Sus scrofa) in spring and summer of 1997 in Golestan National Park. The stomach contents of
23 wild pig speciemens contained plant materials belonging to 15 families and 29
genera. In spring, Rosaceae, Graminae and Cyperaceae with 55.5%, 50% and
44.4% respectively had the highest frequencies, and Orchidaceae (11.1%) and
Betulaceae (5.5%) had the lowest frequencies.
In summer, Rosaceae (80%) and (Loranthaceae, Cucurbitaceae, Liliaceae)
together with 60% had the highest frequencies. Ulamaceae and Solanaceae with
20% had the lowest frequencies.
)