The Tilley area has many reservoirs and sloughs within its boundaries, which are replete with waterfowl and during appropriate periods, with a wide variety of shorebirds. The undisturbed grasslands have good populations of sparrows and longspurs. Species of interest include: Black-necked Stilt White-faced Ibis American Bittern Most if not all the grebe species Black-crowned Night-Heron Many duck species Common Yellowthroat Read more...
