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African Green Pigeon

From Opus

Subspecies T. c. wakefieldiiPhoto © by juninho Ulu, Kenya, 29 July 2005
Subspecies T. c. wakefieldii
Photo © by juninho
Ulu, Kenya, 29 July 2005
Treron calva

Treron calvus

Contents

[edit] Identification

Subspecies T. c. gibberifronsPhoto © by volker sthamerEntebbe, Uganda, 21 July 2018
Subspecies T. c. gibberifrons
Photo © by volker sthamer
Entebbe, Uganda, 21 July 2018

25–30 cm (9¾-11¾ in)

  • Grey-green to yellowish-green upperparts
  • Yellow thighs
  • Mauve patches on the top of the wing
  • White-tipped red bill
  • Red feet

[edit] Variations

Both subspecies salvadorii and gibberifrons have large red ceres; however, the one belonging to gibberifrons, as well as being even larger, is also brighter.

[edit] Distribution

Widespread in sub-Saharan Africa
Western Africa: Mauritania, Senegambia, Senegal, The Gambia, Guinea-Bissau, Guinea, Mali, Sierra Leone, Liberia, Ivory Coast, Burkina Faso, Ghana, Togo, Benin, Nigeria, Niger, Chad, Cameroon, Central African Republic, Equatorial Guinea, Gabon, Congo, Angola
Eastern Africa: Sudan, Ethiopia, Kenya, Uganda, Rwanda, Burundi, Tanzania, Zanzibar, Zambia, Mozambique, Malawi
Southern Africa: Namibia, Botswana, Zimbabwe
South Africa: KwaZulu-Natal, Swaziland
African Islands: Gulf of Guinea Islands, Bioko (Fernando Po), Sao Tome, Principe

[edit] Taxonomy

Subspecies T. c. nudirostrisPhoto © by Reini Lamin fields, The Gambia, November 2005
Subspecies T. c. nudirostris
Photo © by Reini
Lamin fields, The Gambia, November 2005

[edit] Subspecies

Treron calvus has 16 subspecies:[1]

  • T. c. nudirostris
  • T. c. sharpei
  • T. c. calvus
  • T. c. poensis
  • T. c. virescens:
  • Principe Island (Gulf of Guinea)
  • T. c. uellensis
  • T. c. brevicera
  • T. c. salvadorii
  • T. c. gibberifrons:
  • T. c. wakefieldii
  • T. c. orientalis
  • T. c. schalowi
  • T. c. ansorgei
  • T. c. vylderi
  • T. c. delalandii
  • T. c. granti

The last two subspecies are sometimes separated as Grey-breasted Green-Pigeon

Subspecies damarensis and chobiensis are no longer recognised and have been included in T. c. schalowi. Additionally, subspecies granviki is now subsumed into T. c. gibberifrons.

[edit] Habitat

Forests, bushveld, savanna; always associated with fruiting trees, especially figs.

[edit] Behaviour

Arboreal.

[edit] Diet

The diet consists almost entirely of fruit and berries, particularly figs.

[edit] Breeding

The nest is a frail platform of coarse twigs and leaves. 1-2 eggs are laid and incubated for 13 days.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Avibase
  3. Africa Bird Guide
  4. BF Member observations
  5. Baptista, L.F., Trail, P.W., Horblit, H.M., Kirwan, G.M. & Garcia, E.F.J. (2018). African Green-pigeon (Treron calvus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/54300 on 13 December 2018).

[edit] External Links

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