Aard-varks feed on animal substances; and are terrestrial and fossorial in habits.
fossorial: formed for or with the habit of digging or burrowing.
Evolution within the Dikkomyini resulted in the acquisition and perfection of fossorial adaptations.
The moist soil and litter on the forest floor is an important microhabitat for fossorial and strictly terrestrial species.
In the savannas Rhinophrynus dorsalis, Engystomops pustulosus, and Gastrophryne usta are fossorial species.
Of these, Syrrhophus pipilans sometimes inhabits low trees and bushes; the others may be fossorial.
Among the Vespoid families of fossorial wasps, the Pompilidae are the most important.