Baliwogs are aquatic-dwelling creatures that frequent the lakes, rivers and bogs of the Shivering Isles. It spreads many diseases and can regenerate health when exposed to water. Rumored to be a larval stage of the Grummites or perhaps the Scalon.
 Bay Horse
A flying mammal that is related to vampires.
- Variations: Giant Bat
Bees are yellow-black insects which live in hive colonies in forested areas. Both the bees and their hives are commonly used as ingredients in alchemy.
 Black Bear
A smaller species of bear found throughout the woodlands of Tamriel. Some Spriggans have the ability to magically summon bears to defend themselves or attack passersby.
- Variations: West Weald Black Bear
 Black Horse
The fastest of the five breeds of domesticated horses available in Cyrodiil.
Boars are small, relatively slow animals with dangerous tusks. Related to the Tusked Bristleback.
 Bone Hawk
A revenant that is usually found protecting the tombs scattered throughout Morrowind. Bonelords can curse their opponents' attributes (Endurance/Speed), are immune to Normal Weapons, and resistant to frost, poison, and shock.
Bonemen are black skeletons found within the Soul Cairn.
A form of revenant that guards the tombs throughout Morrowind and can be summoned by magic users. Though not as powerful as other undead, the Bonewalker is feared for the terrible curses it can bestow upon its foes. Bonewalkers are resistant to frost, poison, and shock attacks.
- Variations: Lesser Bonewalker, Greater Bonewalker
An undead wolf.
Bristlebacks or Tusked Bristleback are large tusked boars that can be found on Solstheim, and are known for their amazing ability to reflect magical effects used against them. They are often used by Rieklings as mounts.
 Brown Bear
A larger, more dangerous species of bear. Like other bears, they are typically resistant to the cold and frost type spells.
Butterfly are a species of flying diurnal insect.
- Variations: Blue Butterfly, Monarch Butterfly