Cavvekan

Cavvekan is the Undercommon name for the cavedog or bat-faced dog. Despite this name, it's likely that cavvekans are not canids at all, but a type of large rodents. Regardless, they fill a similar niche that jackals or coyotes would; they're small onmnivorous mammals who hunt tiny prey and fungi, or scavenge food from more capable predators.

As subterranean creatures, their sense of sight is so diminished that they are practically blind. They instead rely on their sense of smell and hearing. If regular clicks are heard in a dark cave, it's likely that what you're hearing is them using echolocation. The cavvekan is completely hairless except for it's whiskers, though the dark, velvety skin on its body can be confused for fur.

They're very skittish creatures, perfectly aware of their position as a possible lunch to the large predators that live underground. However, the drow occasionally manage to capture enough cavvekan pups to start breeding programs. They're good guard animals, but not often used as attack beasts. The drow tend to have access to more lethal options.

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Firenewt

 

Firenewts are relatives to lizardfolk, but their environment and behaviour is different enough for them to be confused with salamanders. Unlike lizardfolk, firenewts thrive in environments of extreme heat, with some tribes even living near or in active volcanos. Oftentimes, a creature so comfortable with fire would be a native of the Plane of Fire, but firenewts are completely native to the Material Plane.

Firenewts are extremely aggressive to both other firenewts and non-humanoid races. If a warband of these creatures is spotted, it's a sure thing that they're participating in a raid, possibly to smash the eggs of another firenewt tribe. They're also a highly religious people, with the most important members of society often being clerics in service to evil fire gods.

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