ocr: WADERS Beak HE SCARLET IBIS uses its beak to probe in - the mud around lagoons and river mouths. The beak has a sensitive tip, which allows the ibis to locate small animals that are hidden beneath the surface. Wading birds have some of the longest beaks in the bird world. Some curve downward, some upward, while others are sharp and straight. Each beak shape has developed to provide different species with a specific method of catching food. NOSTRILS SENSITIVE TIP Nerve endings in the beak allow the ibis to feel its food