The African Green Pigeon (Treron calvus) is a captivating bird species belonging to the Columbidae family. This bird, also known as Bare-faced Green Pigeon or Green Fruit-Pigeon, is native to most of Africa south of the Sahara Desert. The African Green Pigeon might not be the flashiest bird in the jungle, but it packs a surprising punch of interesting features that make it a worthy feathered friend.
Adult African green pigeons have maroon patches on the top of their wings and the juveniles have an olive color.
Let's delve into some intriguing facts about this verdant avian.
Key Identification Features
Identifying the African Green Pigeon involves noting several distinctive characteristics:
- Size: Medium, around 30cm
- Bill Shape: Slender, adapted for fruit-eating
- Bill Colour: Red base with a white tip
- Legs: Yellow
- Eye Iris Colour: Bluish-white
- Plumage: Overall green appearance with purple shoulders and grey/green head, nape, and breast
Their olive-green plumage blends seamlessly into foliage, making African Green Pigeons virtually invisible to predators. They also move clumsily on branches, further mimicking leaves swaying in the wind.
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Habitat and Distribution
The African Green Pigeon is commonly found in:
- Well-wooded regions
- Riverine forests
- Wooded hillsides, especially where wild figs are fruiting
They may occur and breed in high densities but are prone to regular local movements.
You can find them in countries like Angola, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Liberia, Malawi, Mali, Mauritania, Mozambique, Namibia, Niger, Nigeria, Rwanda, São Tomé and Príncipe, Senegal, Sierra Leone, Somalia, South Africa, South Sudan, Eswatini, Tanzania, Togo, Uganda, Zambia and Zimbabwe.
Behavior and Diet
Typically, these pigeons are gregarious and are observed in small groups. African Green Pigeons aren't content with monotonous meals. They search for fruiting trees across vast distances, forming nomadic groups as they travel from feast to feast.
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They forage in trees, flapping to keep balance, and often hanging upside down. Their flexible diet lets them enjoy a variety of fruits, from bananas to papaya, mulberries, and peaches. Unlike their seed-pecking cousins, African Green Pigeons have a unique way of accessing the sweet flesh inside fruits.
They also take fruit of Saffrons (Cassine spp.), Jacket plum (Pappea capensis), Cordia africana , Buffalo thorn (Ziziphus mucronata), Water berry (Syzygium cordatum) and Jackalberry (Diospyros mespiliformis).
While they might not be operatic singers, African Green Pigeons possess a surprisingly diverse vocal repertoire -- they don't sound like more familiar pigeon species.
Nesting Habits
They nest in a tree fork that offers an adequate vantage point of their surrounds. The nest is a weak platform of sticks, collected by the male and arranged by the female. Nesting may take place in any month of the year, though mostly in summer. 1-2 eggs are laid that hatch in 13-14 days.
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Taxonomy and Nomenclature
The Latin name Treron calvus holds significance:
- Genus: Treron, derived from the Ancient Greek word trērōn meaning "pigeon" or "dove."
- Species: calvus meaning bald, naked, or bare.
So in a nutshell the Latin name translates to a Bald/Naked fruit-eating pigeon.
Ecological Role
African Green Pigeons play a vital role in seed dispersal of fruit trees, contributing to the health and regeneration of the ecosystem. By consuming fruits, they carry seeds long distances, allowing new trees to sprout in remote locations.
African Green Pigeons eating Cat-thorn berries
Conservation Status
Here is a summary of the conservation status of the African Green Pigeon:
| Category | Description |
|---|---|
| IUCN Red List Assessment | Available |
| IUCN Red List Category | Details available |
| Range Description | Details available |
| Habitat and Ecology | Details available |
| Threats | Details available |
| Conservation Actions | Details available |
Cultural Significance of Pigeons and Doves
The Columbidae family, encompassing all doves and pigeons, is the sole group within the Columbiformes order. In culture and religion, doves often symbolize love, peace, and the Holy Spirit, and are featured in Christianity, Islam, and portrayed as sacred in ancient mythology. Historically, pigeons have been used in wars as message carriers and are still commemorated for their service. Domestic species like the rock dove have been bred for various purposes, including racing and ornamental traits.
