The role of fat and protein reserves in the annual cycle of the Grey‐backed camaroptera in Uganda (Aves: Syhidae)

The annual cycle of Camaroptera brevicaudata was studied close to the equator in Uganda, particular attention being paid to the role of fat and protein reserves. Camaropteras breed at irregular intervals, two or even three times per year, whenever rainfall and increased primary productivity result in a favourable insect food supply. However, there is no consistent relationship between the onset of breeding and the onset of rainfall or any other...