• BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

    Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

African Green Pigeon - BirdForum Opus

Revision as of 01:17, 13 December 2018 by Jmorlan (talk | contribs) (→‎References: Added link for "Africa Bird Guide")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Subspecies T. c. wakefieldii
Photo © by juninho
Ulu, Kenya, 29 July 2005
Treron calva

Treron calvus

Identification

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

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.

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

Taxonomy

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

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.

Habitat

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

Behaviour

Arboreal.

Diet

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

Breeding

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

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).

Recommended Citation

External Links

Top