Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Birds From Chad and Nigeria Destroying Farmland, Cameroon Says Moki Edwin Kindzeka MAROUA - Authorities in Cameroon say millions of weaver birds have decimated thousands of hectares of farmland on the northern border with Chad and Nigeria. Farmers say between the birds, elephant attacks and floods, the area is on the verge of famine. .