New research led by the University of California, Berkeley and the Georgia Institute of Technology reveals that flamingos, far from being passive filter-feeders, are active predators that use flow-induced traps to capture agile invertebrates. Flamingos feed by dragging their flattened beaks forward along the bottom of shallow lakes. To increase the efficiency of feeding, they stomp dance to churn the bottom, create an upwelling vortex with their heads...
