From Opus

Revision as of 13:44, 2 April 2009

Photo by juninho
Location: Ulu, Kenya

Treron calva

Identification

Grey green to yellow green upperparts, yellow thighs, mauve patches on the top of the wing, bills are red at the base white at the tip, red feet.

Distribution

Sub-Saharan Africa.

Taxonomy

Treron calvus has 17 subspecies:^[1]

• T. c. nudirostris

• Senegal to Gambia and Guinea-Bissau

Photo by Reini
Photo taken: Lamin fields, The Gambia

• T. c. sharpei

• Sierra Leone to southern Nigeria and northern Cameroon

• T. c. calvus

• Eastern Nigeria to north-eastern DRC, central Angola and Príncipe.

• T. c. poensis

• Bioko

• T. c. uellensis

• Northern Zaire to southern Sudan and Uganda

• T. c. brevicerus

• South-western Ethiopia to northern Tanzania east of the Rift Valley

• T. c. salvadorii

• Uganda, Rwanda and Burundi to eastern DRC

• T. c. granviki

• Western Kenya and north-western Tanzania

• T. c. wakefieldii

• Coastal Kenya and north-western Tanzania

• T. c. granti

• Lowlands of eastern Tanzania and Zanzibar

• T. c. orientalis

• Southern Tanzania and northern Mozambique

• T. c. schalowi

• Southern DRC and Zambia to Victoria Falls

• T. c. chobiensis

• South-western Zimbabwe and northern Botswana

• T. c. ansorgei

• Western Angola

• T. c. vylderi

• North-western Namibia

• T. c. damarensis

• North-eastern Namibia and north-western Botswana

• T. c. delalandii

• Coastal Kenya to south-eastern South Africa

Habitat

Dense foliage in woodland, especially riverine and fig forest.

Behaviour

Arboreal.

The diet includes fruit, particularly figs.

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

References

1. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist.

• List of references

External Links