Animalia Life

Bonasa sewerzowi
SUBFAMILY
Tetraoninae
TAXONOMY
Tetrastes sewerzowi Przevalski, 1876, Gansu, China. Monotypic.
OTHER COMMON NAMES
English: Severtzov’s grouse, black-breasted hazel grouse; French: Gйlinotte de Severtzov; German: China-haselhuhn; Spanish: Grйvol Chino.
HABITAT
Pacific Coast rainforest, boreal, and dry deciduous woodlands; prefers a mixed-age forest mosaic with aspen and brushwood clearings.
BEHAVIOR
Roosts in conifers; drums with wings while in upright posture year round, but most intensely at dawn in March–June when males defend territories and sometimes form a loose lek.
FEEDING ECOLOGY AND DIET
Buds and twigs from aspens and other deciduous trees; herb flowers and catkins; berries and some invertebrates; newly hatched chicks depend on insects; also fungi and acorns.
REPRODUCTIVE BIOLOGY
Promiscuous. Nests in May on forest floor; clutch size 10–12; incubation 23–24 days; chicks can fly at 10–12 days.
CONSERVATION STATUS
Widespread and common in north of range; elsewhere range contractions have been reversed by restocking.
SIGNIFICANCE TO HUMANS
Most hunted grouse in North America.

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