From Ardrana

Bugbears are giant, hairy cousins of goblins who frequent the same areas as their smaller relatives.

Bugbears are large and very muscular, standing seven feet tall. Their hides range from light yellow to yellow brown and their thick coarse hair varies in color from brown to brick red. Though vaguely humanoid in appearance, bugbears seem to contain the blood of some large carnivore. Their eyes recall those of some savage bestial animal, being greenish white with red pupils, while their ears are wedge shaped, rising from the top of their heads. A bugbear's mouth is full of long sharp fangs.

Bugbears have a nose much like that of a bear with the same fine sense of smell. It is this feature which earned them their name, despite the fact that they are not actually related to bears in any way. Their tough leathery hide and long sharp nails also look something like those of a bear, but are far more dexterous.

The typical bugbear's sight and hearing are exceptional, and they can move with amazing agility when the need arises. Bugbear eyesight extends somewhat into the infrared, giving them infravision out to 60 feet.

The bugbear language is a foul sounding mixture of gestures, grunts, and snarls which leads many to underestimate the intelligence of these creatures. In addition, most bugbears can speak the language of goblins and hobgoblins.

Note: Bugbears originally appeared in this form in the 2nd Edition Monstrous Manual for the AD&D game from TSR. Their use here is for the purposes of providing context for the campaign only.