. The book of birds; common birds of town and country and American game birds . to summer in central two routes cross each other in Geor-gia at approximately right angles. Another idiosyncrasy of bird migra-tion is the adoption by the Connecticutwarbler of different routes for its south-ward and northward journeys. All theindividuals of this species winter inSouth America, and, as far as known, allgo and come by the same direct routebetween Florida and South America,across the West Indies; but north ofFlorida the spring and fall routes di-verge. The spring route (page i86)leads the
. The book of birds; common birds of town and country and American game birds . to summer in central two routes cross each other in Geor-gia at approximately right angles. Another idiosyncrasy of bird migra-tion is the adoption by the Connecticutwarbler of different routes for its south-ward and northward journeys. All theindividuals of this species winter inSouth America, and, as far as known, allgo and come by the same direct routebetween Florida and South America,across the West Indies; but north ofFlorida the spring and fall routes di-verge. The spring route (page i86)leads the birds up the Mississippi Valleyto their summer home in southern Can-ada; but fall migration begins with trip almost due east to NewEngland, whence the coast is followedsouthwest to Florida. The Connecticut warbler is consideredrare, but the multitudes that have struckthe Long Island light-houses during Oc-tober storms show how closely the birdsfollow the coast-line during fall migra-tion. The map represents the spring-migra-tion route as far as at i)rcsent MIGRATION ROUTE OF THE CLIFF SW^\L- LOWS THAT NEST IN NOVA SCOTIA (see pages 184 AND 193) The swallow, unlike the warbler, travelsby day. The fact that the route is practicallynorth and south through Ohio and thenturns abruptly west indicates a large andas yet undiscovered breeding area in On-tario north of lakes Huron and , so little is known about the nest-ing of the Connecticut warbler that theeggs obtained by Mr. Seton more than25 years ago still remain unique. Incidentally, this route of the Connec-ticut w^arbler is a conclusive argumentagainst the theory that migration routesindicate the original pioneer path bywhich the birds invaded the region oftheir present summer homes. THE LONGEST CONTINUOUS FLIGHT INTHE WORLD 2,500 MILES Such elliptical migration routes as thatmentioned above are rare among landbirds, but are used and on a far largerscale by many water birds, notableamong which
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirdsun, bookyear1921
