Ahanta Spurfowl vs Western Capercaillie
Pternistis ahantensis comparado con Tetrao urogallus
Side-by-Side Comparison
| Atributo | Ahanta Spurfowl | Western Capercaillie |
|---|---|---|
| Nombre científico | Pternistis ahantensis | Tetrao urogallus |
| Orden | Galliformes | Galliformes |
| Familia | Phasianidae | Phasianidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 34,6 cm (13.6 in) | 69,5 cm (27.4 in) |
| Peso | 547,5 g (19.31 oz) | 3072,5 g (108.38 oz) |
| Dieta | Feeds on seeds, invertebrates, and plant matter in West African lowland forest and thicket. | Relies on pine and other conifer needles in winter; forages for berries, shoots, herbs, and … |
| Tamaño de la puesta | 3-12 | 4-12 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Ahanta Spurfowl
Loud, staccato 'krak-krak-KRAAK' from W African forest edge; slightly higher than larger spurfowl. Alarm is rapid explosive cackling. Pairs call in loose synchrony at dawn in secondary growth.
Western Capercaillie
Extraordinary lek song: four phases — ticking, popping, cork-pulling, then grinding 'shhhhh'; lasts 6–8 seconds. Largest grouse song; audible 500+ m in European forest. Alarm is a loud bark.
Geographic Range & Migration
Ahanta Spurfowl
Resident of dense lowland and coastal forest in West Africa from Ghana to Cameroon; also found in Bioko Island.
Western Capercaillie
Resident of mature coniferous and mixed forests from Scotland and Scandinavia east through Russia to Siberia; relict populations in central Europe.
Estado de conservación
Ahanta Spurfowl
Western Capercaillie
How to Tell Them Apart
Ahanta Spurfowl
Dark brown above with pale buff shaft streaks; whitish below with dark brown streaking; red bill; red orbital skin; yellow legs. Sexes similar; closely resembles Double-spurred Spurfowl; West African forests.
Western Capercaillie
Strongly dimorphic. Male dark slate-blue with iridescent bottle-green gorget, brown wings, and red wattle over eye; fan-shaped tail. Female cryptically barred ochre, russet, and black with orange breast patch.
About These Birds
Ahanta Spurfowl
A medium Phasianidae spurfowl (~548 g) of lowland and secondary forest edges in West Africa from Ivory Coast to Nigeria. Dark brown streaked white; red orbital skin. Forages on the ground in pairs or small groups for seeds, berries, and invertebrates. Tolerates forest fragments; Least Concern.
Western Capercaillie
El urogallo (hasta 4 kg el macho) es el mayor de los gallináceos europeos y uno de los más amenazados. El macho negro en la exhibición nupcial es incapaz de ver y oír por unos instantes mientras 'canta' —por lo que los cazadores furtivos se acercaban en estos momentos—. Habita bosques de coníferas viejos con abundante sotobosque de arándanos. Las poblaciones han colapsado por la fragmentación y la pérdida de bosques viejos, la perturbación turística y la depredación potenciada por …