ACKWOLEDGEMENTS
We thank Joy Akpanta, Bright Serworno, Joseph Izang, Abdulai Dauda, Dickson Matthew who helped in trapping birds. Dr. Jacinta Abalaka, Joy Akpanta, and Bright helped during blood sampling and morphometric measurements. John Nnebechukwu helped in feeding birds during the experiment. We also acknowledge the intellectual support of Dr. Sam T. Ivande. The APLORI Ethics Committee approved the experimental protocols followed in accordance with the laws guiding the use of animals in experimental studies in Nigeria. This project was funded by a master’s scholarship awarded to OGS by the Leventis Foundation Scholarship. TCO was supported by the International Foundation for Science grant (B-5724-2). CJN was supported by the Carnegie Developing Emerging Academic Leaders Junior Research Fellowship at the FitzPatrick Institute of African Ornithology, University of Cape Town, South Africa. This is contribution no XXX from the A. P. Leventis Ornithological Research Institute Jos, Nigeria.