Africa's Two Worst Pest Birds Face Off in Landmark Fifty-Year Review

Africa's Two Worst Pest Birds Face Off in Landmark Fifty-Year Review

Two birds are quietly waging a continental campaign against Africa’s farms, cities, and public health systems, and a sweeping new analysis of five decades of research reveals just how differently they do it. The Indian house crow, an invasive scavenger from southern Asia, and the red-billed quelea, a native weaver bird that forms the largest flocks of any bird species on Earth, have long been treated as separate problems. Now a team of Tanzanian…