Dog

Dogs are prevalent throughout Faerûn. They are extremely numerous and have been domesticated for use amongst the humanoid races.

Frenzy dog
Frenzy dogs are the creation of an evil druidic spell in the deep forest of Chondalwood.

Moorhound
A moorhound is a huge shaggy dog.

Snake-dog
A snake-dog is a cross-breed between a snake and a dog, native to the jungles of Chult and domesticated by the yuan-ti.