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Recently, there have been comparative studies of mouse and bat forelimb development to understand the genetic basis of morphological evolution. Consequently, the bat wing is a valuable evo-devo model for studying the evolution of vertebrate limb diversity. Diagram showing homologous skeletal structures of bat and mouse
A bat wing, which is a highly modified forelimb. Bats are the only mammal capable of true flight. Bats use flight for capturing prey, breeding, avoiding predators, and long-distance migration. Bat wing morphology is often highly specialized to the needs of the species. This image is displaying the anatomical makeup of a specific bat wing.
Wing of a desert red bat (Lasiurus blossevillii) In bats, the skin forming the surface of the wing is an extension of the skin of the abdomen that runs to the tip of each digit, uniting the forelimb with the body. The patagium of a bat has four distinct parts: Propatagium: the patagium present from the neck to the first digit.
The wings of bats are much thinner and consist of more bones than the wings of birds, allowing bats to maneuver more accurately than the latter, and fly with more lift and less drag. [59] By folding the wings in toward their bodies on the upstroke, they save 35 percent energy during flight. [60]
Pterosaur, bird and bat wings are analogous as wings, but homologous as forelimbs because the organ served as a forearm (not a wing) in the last common ancestor of tetrapods, and evolved in different ways in the three groups. Thus, in the pterosaurs, the "wing" involves both the forelimb and the hindlimb. [17]
Comparative anatomy is the study of similarities and differences in the anatomy of different species. It is closely related to evolutionary biology and phylogeny [ 1 ] (the evolution of species). The science began in the classical era , continuing in the early modern period with work by Pierre Belon who noted the similarities of the skeletons ...
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They range in size from the Shortridge's long-fingered bat, at 3 cm (1 in) plus a 3 cm (1 in) tail, to the great bent-winged bat, at 8 cm (3 in) plus a 7 cm (3 in) tail. Like all bats, miniopterids are capable of true and sustained flight , and have wing lengths ranging from 3 cm (1 in) for many species to 6 cm (2 in) in the western bent-winged ...
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