A slender fox-faced animal that hunted at night for wallabies and birds, the thylacine was 100 to 130 cm (39 to 51 inches) long, including its 50- to 65-cm (20- to 26-inch) tail. Its weight ranged from 15 to 30 kg (33 to 66 pounds), but about 25 kg (about 55 pounds) was average. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.