Tiny Birds Build Communal Nests So Large They Can Pull Down Trees

While most songbirds build small, discreet nests designed to shelter one clutch of eggs, the Social Weavers (Philetairus socius) of southern Africa build communal nests so large that they can pull down mature trees. Each structure can weigh over a ton, and range upwards of 20 feet wide and 10 feet tall, with over a […]