Sentence examples for ground roller from inspiring English sources
noun
Any of a small family of non-migratory near-passerine birds restricted to Madagascar, and related to the kingfishers, bee-eaters and rollers.
See also cuckoo roller; ground roller.
This paper describes an experimental method to investigate the effect of surface lay on lubricated rolling/sliding of ground roller surfaces.
Parrot showed off two new drones at the event, so-called 'minidrones' that are much smaller than the AR Drone it currently markets, including one aerial variant and one all-terrain ground roller that can also jump up to 80 cm, or over two and a half feet.
The long-tailed ground roller has no subspecies.
These differences make the long-tailed ground roller the only ground roller to definitively display sexual dimorphism.
The long-tailed ground roller is the only ground roller to definitively display sexual dimorphism (differences in plumage or size between sexes).
The family is sometimes considered to include the ground rollers and cuckoo rollers.
The wood hoopoes (Phoeniculidae) are found only in tropical and subtropical Africa; the cuckoo roller (Leptosomatidae) and the ground rollers (Brachypteraciidae) are found only on Madagascar.
The ground rollers, most of which are birds of the deep forest, also feed on the ground on food similar to that of the hoopoe.
Walking on the ground is the usual mode of feeding for the common hoopoe (Upupa), the ground rollers, and for a few hornbills.
Ground feeding in the forest, for example, is limited to the ground rollers in Madagascar; in mainland Africa this niche is occupied by the hoopoe (except in dense forest) and by birds of other orders.
