Sao Tome Olive-pigeon vs African Collared-dove
Columba thomensis в сравнении с Streptopelia roseogrisea
Side-by-Side Comparison
| Характеристика | Sao Tome Olive-pigeon | African Collared-dove |
|---|---|---|
| Научное название | Columba thomensis | Streptopelia roseogrisea |
| Отряд | Columbiformes | Columbiformes |
| Семейство | Columbidae | Columbidae |
| Охранный статус | Endangered | Least Concern |
| Длина | — | — |
| Размах крыльев | 46,7 cm (18.4 in) | 31,8 cm (12.5 in) |
| Масса | 466,6666666666667 g (16.46 oz) | 152,33333333333334 g (5.37 oz) |
| Питание | -- | -- |
| Размер кладки | -- | 1-2 |
| 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.
African Collared-dove
Soft, gentle cooing; pure warm notes through dense forest in Timor region. Vocalization pattern typical of this species in its native habitat.
Охранный статус
Sao Tome Olive-pigeon
African Collared-dove
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
African Collared-dove
Ruddy Cuckoo-dove: rich rufous-brown above; plain buff below; long red-brown tail; red orbital ring; Southeast Asian species
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.
African Collared-dove
Small dove, 26–29 cm, pale pinkish-grey with a black hindneck collar and white tail corners. Native to arid zones of sub-Saharan Africa from Senegal to Somalia and south to Tanzania. The ancestor of the domesticated Barbary Dove (ring-necked dove). Granivore of grass seeds and small grains in dry savanna, farmland, and desert edge. Least Concern.