Sao Tome Olive-pigeon vs Afep Pigeon
Columba thomensis в сравнении с Columba unicincta
Side-by-Side Comparison
| Характеристика | Sao Tome Olive-pigeon | Afep Pigeon |
|---|---|---|
| Научное название | Columba thomensis | Columba unicincta |
| Отряд | Columbiformes | Columbiformes |
| Семейство | Columbidae | Columbidae |
| Охранный статус | Endangered | Least Concern |
| Длина | — | — |
| Размах крыльев | 46,7 cm (18.4 in) | 42,2 cm (16.6 in) |
| Масса | 466,6666666666667 g (16.46 oz) | 401,5 g (14.16 oz) |
| Питание | -- | -- |
| Размер кладки | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sao Tome Olive-pigeon
Deep, resonant cooing; rich notes with carrying quality through dense South Asian forest habitat. Vocalization pattern typical of this species in its native habitat.
Afep Pigeon
Deep, resonant cooing; rich notes with carrying quality through dense humid African forest. Vocalization pattern typical of this species in its native habitat.
Охранный статус
Sao Tome Olive-pigeon
Afep Pigeon
How to Tell Them Apart
Sao Tome Olive-pigeon
Sao Tome Olive-pigeon: large; dark olive-gray; yellow bill and eye-ring; iridescent neck; Sao Tome island endemic; critically large
Afep Pigeon
Afep Pigeon: pale gray; white neck gloss; dark flight feathers; large size; Central African rainforest pigeon; pale overall
About These Birds
Sao Tome Olive-pigeon
Sao Tome Olive-pigeon (Columba thomensis) — 40–45 cm. Large; dark purplish-grey; yellow orbital skin; spotted wing coverts. Endemic to São Tomé Island in dense forest. Frugivore. Vulnerable due to ongoing deforestation of São Tomé's lowland forest.
Afep Pigeon
Afep Pigeon (Columba unicincta) — 36–40 cm. Large; dark grey; single narrow black ring on hindneck; pale grey rump. Inhabits canopy of rainforest in West and Central Africa. Frugivore; feeds on forest fruits. Poorly known; an upper-canopy species seldom studied at close range.