Edges and inner surfaces are with lamellae(1)---fine platelike outgrowths of the bill that can be raised and lowered. Tiny organisms are trapped as the tongue is pushed forward and water is squeezed through the lamellae
Edges and inner surfaces are with lamellae(1)---fine platelike outgrowths of the bill that can be raised and lowered.Tiny organisms are trapped as the tongue is pushed forward and water is squeezed through the lamellae