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

By Donald S. Farner,James R. King

Avian Biology, quantity II is a set of papers that bargains with the biology of birds comparable to their integumentary and breathing platforms. One paper describes the integument of birds that comes with the surface, feathers, pterylosis, dermis muscle tissues, and different integumentary derivatives comparable to beaks, comb, claws, and spurs. The booklet explains the method of molting and the several generations of feathers; such molting relies at the put on and tear of the plumage, in addition to hormonal alterations. One writer compares the blood vascular procedure of birds and mammals, after which offers an in depth description of avian hematology. different papers care for the breathing services, digestive method, 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. not like 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 chicken fans, zoologists, and avian biologists.

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

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