. . t Geese andDucks of all kinds, the smaller Herons, the Plover, Snipeand nearly all birds. This disease was first noticed in the feed-ing grounds near or bordering the Great Salt Lake, and hasgradually increased and progressed until the infected area in-cludes the entire Salt Lake valley, and the infection includespractically all the birds there. In a letter received by Forest and Stream from Dr. W. he says, our native birds are practically all refers to birds of all kinds; even chickens that were fedon the vis
. . t Geese andDucks of all kinds, the smaller Herons, the Plover, Snipeand nearly all birds. This disease was first noticed in the feed-ing grounds near or bordering the Great Salt Lake, and hasgradually increased and progressed until the infected area in-cludes the entire Salt Lake valley, and the infection includespractically all the birds there. In a letter received by Forest and Stream from Dr. W. he says, our native birds are practically all refers to birds of all kinds; even chickens that were fedon the viscera of dead Ducks died by hundreds. The infectionis a diarrhoea or cholera, with a watery discharge from theeyes during its latter stages, and ends fatally in a few sick birds were put in clean pens and given clean foodand water most of them recovered.^ This disease is believed to be what is commonly known asDuck cholera, which often affects domesticated water-fowl Stewart, W. R.: Forest and Stream, October 15, 1910, Vol. Ixxv, No. 16, pp. 616, CONSERVATION OF GAME BIRDS. -541 in summer when a sufficient supply of pure water is not avail-able; it has been diagnosed as a form of coccidiosis, similar to,if not identical with, that which is believed to cause whitediarrhoea in chicks and blackhead in turkeys, and is veryfatal to Grouse and Bob-whites (see page 383). As poultryraising increases, the danger of contagious diseases among gamebirds is likely to increase also, as chickens and turkeys spreadcoccidiosis. Its spread in Utah may have been facilitated bya dry season and low water. Natural Enemies. Those who promulgate the belief that the depletion ofnative game birds is due to their native natural enemies aremerely deluding themselves and injuring the cause of gameprotection. We know from the accounts of the early explorersand settlers that when this country was first settled, andgame of all kinds was abundant. Hawks, Eagles, panthers,wolves, lynxes, raccoons
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