ocr: NESTS FoRMOST SMALL BIRDS, a nest serves two purposes - it keeps the young warm and hides FEATHERS them from predators. This nest was built by a female pied wagtail. Like most songbirds, wagtails produce CATTLE HAIR featherless altricial young, so: a well-insulated nest is vital if the nestlings are tos survive. Moss DRY GRASS LICHEN WAGTAIL NEST N The pied agtail makes bundreds or even thousands of trips to. gather nesting material. TWIGS