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Show BIRDS SHUN THE DEEP SEA Ther Seldom Crocs Waters of Great Depth in Their Flight from One Land to Another. Frank Chapman, of the New York museum of natural hUtory, has been writing about the birds of Kngland, which ho finds moro numerous but of fewer species than those of this country. Curiously enough only one of hundreds of varieties Is common to both countries A writer In tho London Outlook points out t-at no birds cross deep, even if narrow, seas, The Madagascar straits are Impassable to birds, though the north seas are a highway for them, Qodwlts pass from the NIlo to tho shores of Norfolk, though neighboring neighbor-ing Islands In an archlpelngo may thow no common stock. All birds, with the possible exception excep-tion of the sparrow, are Btlrred to movement by different causes- wind, weather, food, the bullying of parent and other birds Illrds of pry drive oO their young. Martins lovo famil-lar famil-lar eaves; successive ravens have built on the same ledge for centuries. The longer passages arp only made oer shallow seas thnt once wero land, and when once a Journr-y Is made the memory Is strong enough to urgo a repetition. The change of home then becomes not a fashion but an inherited in-herited habit. |