Hunting is an action that you can typically perform once a turn. It used to use the WikiSpecies catalog, but currently uses the NetHack catalog. Perhaps in the future, it will use a different set of monsters. Monsters that you hunt tend to drop various materials.
During various holidays, such as Turkey Week, hunting may be modified. During these times, the same rolls will be done, but the monsters will be modified. Past occurrences include:
Iceland 2013 - (12/18 - 01/01) - ???