By Donald S. Farner,James R. King

Avian Biology, quantity II is a suite of papers that bargains with the biology of birds reminiscent of their integumentary and respiration structures. One paper describes the integument of birds that comes with the surface, feathers, pterylosis, pores and skin muscular tissues, and different integumentary derivatives equivalent to beaks, comb, claws, and spurs. The publication explains the method of molting and the various generations of feathers; such molting depends at the put on and tear of the plumage, in addition to hormonal adjustments. One writer compares the blood vascular approach of birds and mammals, after which provides a close description of avian hematology. different papers care for the breathing features, digestive procedure, and the dietary wishes of birds. Of curiosity is one author's description of the creation of nutritive fluids, holocrine, that is secreted for the younger. This secreted fluid includes approximately 23 percentage protein, 10 percentage fats, and no sugar. in contrast to mammalian milk, it additionally includes cells. one other paper examines the middleman metabolism of birds and the climatic results on metabolism. This e-book is acceptable for fowl fanatics, zoologists, and avian biologists.

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Avian Biology: Volume II: 002 by Donald S. Farner,James R. King

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