Flight of Mammals From Terrestrial Limbs to Wings

About this book

Flight of Mammals offers a new explanation for the development of flight in mammals and offers detailed morphological descriptions of mammals with flapping flight. The skeletomuscular apparatus of the shoulder girdle and forelimbs of tree shrews, flying lemurs and bats is described in detail. Special attention is paid to the recognition of peculiar features of the skeleton and joints. For the basic locomotor patterns of flying lemurs and bats, the kinematic models of the shoulder girdle elements are developed. The most important locomotor postures of these animals are analyzed by means of statics. The key structural characters of the shoulder girdle and forelimbs of flying lemurs and bats, the formation of which provided transition of mammals from terrestrial locomotion to gliding and then, to flapping flight, are recognized.

The concept is proposed that preadaptations preceding the acquisition of flapping flight could have come from widely sprawled forelimb posture while gliding from tree to tree and running up the thick trunks. It is shown that flying lemur is an adequate morphofunctional model for an ancestral stage of bats. The evolutionary ecomorphological scenario describing probable transformational stages of typical parasagittal limbs of chiropteran ancestors into wings is developed.

Contents

Chapter 1: Forelimb Morphology of Tree Shrews
Chapter 2: Forelimb Morphology of Colugos
Chapter 3: Forelimb Morphology of Bats
Chapter 4: Functional Analysis of the Locomotor Apparatus of Colugos
Chapter 5: Functional Analysis of the Locomotor Apparatus of Bats
Chapter 6: Comparative Morphofunctional Analysis
Chapter 7: Evolutionary Scenario for the Establishment of Flapping Flight

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Biography

Dr. Alexandra A. Panyutina serves in the Department of Vertebrate Zoology at Russia's Moscow State University. She has studied the evolution of bat flight since 2005. Prior to that, she studied the morpho ecological diversity of rhinolophid bats.

Dr. Leonid P. Korzun serves as Professor and Head of the Department of Vertebrate Zoology at Moscow State. He has studied the morphological evolution of vertebrates (mainly birds) by means of functional analysis since 1970.

Dr. Alexander N. Kuznetsov also serves in the Department of Vertebrate Zoology at Russia's Moscow State University. He has studied vertebrate locomotion since 1985, when he published the original model of the three-segment Z-like structure of mammalian parasagittal limb, which is now generally accepted by the scientific community.