Download e-book for iPad: Ecological and Environmental Physiology of Birds by J. Eduardo P. W. Bicudo;William A. Buttemer;Mark A. Chappell

By J. Eduardo P. W. Bicudo;William A. Buttemer;Mark A. Chappell

ISBN-10: 0199228442

ISBN-13: 9780199228447

Birds have colonized virtually each terrestrial habitat on the earth - from the poles to the tropics, and from deserts to excessive mountain tops. Ecological and Environmental body structure of Birds specializes in our present knowing of the original physiological features of birds which are of specific curiosity to ornithologists, but additionally have a much broader organic relevance.

An introductory bankruptcy covers the fundamental avian physique plan and their still-enigmatic evolutionary background. the focal point then shifts to a attention of the basic parts of that almost all basic of avian attributes: the power to fly. The emphasis here's on feather evolution and improvement, flight energetics and aerodynamics, migration, and as a counterpoint, the curious secondary evolution of flightlessness that has happened in different lineages. This units the degree for next chapters, which current particular physiological issues inside a strongly ecological and environmental framework. those contain gasoline trade, thermal and osmotic stability, 'classical' existence heritage parameters (male and feminine reproductive charges, parental care and funding in offspring, and fecundity as opposed to sturdiness tradeoffs), feeding and digestive body structure, variations to difficult environments (high altitude, deserts, marine habitats, cold), and neural specializations (notably these very important in foraging, long-distance navigation, and music production).

Throughout the e-book classical reviews are built-in with the most recent study findings. quite a few vital and exciting questions wait for extra paintings, and the publication concludes with a dialogue of equipment (emphasizing state of the art technology), techniques, and destiny learn instructions.

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Extra resources for Ecological and Environmental Physiology of Birds

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Permissible speeds are not necessarily the most economical speeds, in the context of energy cost or achievable flight range on a given amount of metabolic fuel. 3 m sec-1 (about 48 km hr-1). The relationship between mechanical power output (rate at which mechanical work is done) and forward velocity in bird flight is still controversial (Ellington 1990; Rayner 1999). For flying birds, aerodynamic theory predicts that mechanical power should vary as a function of forward velocity in a U-shaped curve.

Many of them have recently been extirpated by humans and various introduced predators which have colonized islands on which they once inhabited (Steadman and Olson, 1985; Steadman, 1995). For example, the Pacific region was once very rich in flightless rails, as evidenced by extensive subfossil bones found in the Hawaiian archipelago, (Olson and James, 1991), New Zealand (Steadman, 1995), and also in other islands. , 1994). The majority of the world’s extant flightless rails persist in the New Zealand region (Trewick, 1997).

The lung volume of a typical bird is only a little more than half that of a mammal of the same body size. In contrast, the tracheal volume of a bird is much larger than that of a mammal. The air sacs of a bird are several times as large as the lung. The total volume of the respiratory system of a bird is some three times that of a mammal. In birds, gas exchange occurs in the finest branches of the bronchial system in the lung, known as parabronchi. In contrast with the tidal flow encountered in the lung of mammals, air in the avian lung flows continuously past the parabronchial gas exchange surface in one direction.

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Ecological and Environmental Physiology of Birds by J. Eduardo P. W. Bicudo;William A. Buttemer;Mark A. Chappell


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