National Geographic : 1936 Jun
THE NATIONAL GEOGRAPHIC MAGAZINE (I' I\ (0 National Geographic Society FLYCATCHERS ARE VALUABLE ALLIES IN THE ETERNAL WAR AGAINST INSECTS Fortunate is the farmer whose orchards or groves shelter the GREAT CRESTED FLYCATCHER (upper left), as it eats prodigious numbers of weevils, beetles, and other crop destroyers. This bird has the mystifying habit of weaving a snake's skin into its nest. Its four companions are westerners. The ASH-THROATED FLYCATCHER (upper right) lives in the Far West, the OLIVA CEOUS and SULPHUR-BELLIED (center, left and right) in the mountains of Arizona, and the large DERBY FLYCATCHER (bottom) in the lower Rio Grande Valley.