Bird Migration (Collins New Naturalist Library, Book 113) by Ian Newton

By Ian Newton

The phenomenon of fowl migration has involved humans from time immemorial. The arrivals and departures of other species marked the seasons, heralding spring and autumn, and supplying a competent calendar lengthy ahead of whatever greater grew to become available.

Migration is proven by way of many sorts of animals, together with butterflies and different bugs, mammals, marine turtles and fish, yet in none is it as generally built as in birds. The collective trip routes of birds span nearly the complete globe, with a few severe go back trips overlaying greater than 30,000 km. due to migration, chicken distributions are continuously altering – in commonplace seasonal styles, and on neighborhood, local or international scales.

Migration has many times caused commonplace questions, similar to the place birds pass or come from, why do they do it, how do they be aware of whilst and the place to shuttle, and the way do they locate their manner? during this ebook, Ian Newton units out to respond to those – and different – questions.

The ebook is split into 4 major sections: the 1st is introductory, describing the different sorts of poultry activities, equipment of analysis, and the most migration styles visible round the British Isles; the second one half is worried regularly with the method of migration – with timing, strength wishes, climate results and navigation; the 3rd with evolution and alter in migratory behaviour; and the fourth with the geographical and ecological elements of chook movements.

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