Motacilla grandis
The Japanese Wagtail, Motacilla grandis, is a striking and elegant passerine bird, endemic primarily to Japan. Measuring approximately 20-23 cm in length and weighing between 26-38 grams, it boasts a bold black-and-white plumage, making it one of the largest and most distinct wagtails in the region. Adults feature a glossy black head, back, and long tail, contrasting sharply with a bright white belly, prominent white supercilium, and a broad black bib extending from the chin to the upper brea...
Primarily found along clear, fast-flowing rivers and streams with rocky banks, the Japanese Wagtail also inhabits coastal areas, irrigation ditches, rice paddies, and urban parks near water, typically at low to moderate elevations.
The diet of the Japanese Wagtail consists predominantly of aquatic and terrestrial insects, as well as their larvae, supplemented by other small invertebrates.
Diurnal in activity, the Japanese Wagtail spends its days actively foraging along water edges, often roosting communally in trees or dense vegetation overnight. Its foraging strategy involves rapidly running, walking, and wading in shallow water, frequently snatching insects from the water surfac...
The Japanese Wagtail is largely resident and primarily distributed across the four main islands of Japan (Hokkaido, Honshu, Shikoku, and Kyushu), as well as the Ryukyu Islands. Its breeding range extends throughout these areas, with no significant seasonal migrations; individuals typically remain...
Least Concern
- The genus name 'Motacilla' is derived from Latin, meaning 'little mover', referring to the bird's characteristic tail-wagging. 'Grandis' means 'large', acknowledging its size relative to other wagtails. - Its striking black-and-white plumage provides excellent camouflage against the dappled lig...