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- Temminck's coursers and ground hornbills may also be seen in this habitat, as will a number of swallows.
- Recent genetic data show that ground hornbills and " Bycanistes " form a clade outside the rest of the hornbill lineage.
- In other hornbills the nesting female moult their all flight feathers at once but this is not the case in the ground hornbills.
- Abyssinian ground hornbills invest a lot in their offspring and the fledged juveniles will remain with their parents for up to three years.
- Nests are almost always deep hollows in very old trees, though there exist reports ground hornbills have on occasions nested on rock faces.