Bobcat den in tree trunk Published May 15, 2021 at 497 × 624 in 5 pictures showing where bobcats make their dens Bobcat den in tree trunk. Photo: Pinterest. Continue reading →Hollowed out tree trunks appear to be quite a favourite for bobcats making a natal den where they give birth. But there are a wide range of options including rock piles, caves, brush piles et cetera. Please comment here using either Facebook or WordPress (when available).