Get Bats in Question: The Smithsonian Answer Book PDF

By Don E. Wilson

ISBN-10: 1560987383

ISBN-13: 9781560987383

Do bats fairly drink blood? how briskly can bats fly? Are they with regards to birds? What are the most important and smallest bats? Why do they dwell in colonies?Long the themes of fantasy and superstition, bats were one of the such a lot misunderstood of mammals as a result of their nocturnal behavior, skill for flight, and unusual visual appeal. Bats account for almost 1 / 4 of the world's mammal species, but at any time when they're visible they bring up questions.Seeking to dispel the myths linked to those extraordinary creatures and arguing for his or her key position in a balanced environment, Bats in query covers all elements of bat biology in a realistic question-and-answer layout. Describing the place bats stay, how they use echolocation to navigate, or even why they grasp the other way up, the e-book additionally provides the conservation prestige of all 925 bat species. the writer strains the evolution of bats and exhibits their outstanding range by means of describing all the significant teams by way of their diversified physique constructions and habitats. He additionally sheds gentle on bats' advanced social structures, remarkable version in dimension, and nutrition personal tastes that surround vegetation, bugs and mammals.The publication additionally explores cultural attitudes approximately bats - telling how, till lately, bats were relegated to the realm of vampires and the way they've got emerged to take their position in public know-how as very important and engaging contributors of our ecosystems.

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Additional resources for Bats in Question: The Smithsonian Answer Book

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Echolocation is the system of high-frequency sounds and their echoes used by most bats to navigate and to locate their food. 18). Although bats’ echolocation sounds are produced in the larynx, or voice box, much as are the audible sounds of other mammals, they are ultrasonic, which means they are at frequencies beyond our hearing capability (anything over about 15 kilohertz). They are emitted through the mouth in some bats and through the nose in others. Ultrasonic sounds are also produced by some insects, and a few other kinds of mammals have been shown to use high-frequency sounds for orientation or for finding prey.

8). 6. (left) A small-footed myotis, Myotis leibii. This species has the moderately shaped jaw of a typical insectivorous bat. 7. (middle) A Mexican long-tongued bat, Choeronycteris mexicana. This species has an elongate rostrum to facilitate its nectar-feeding habits. 8. (right) A Leschenault’s rousette, Rousettus leschenaulti, particularly anxious to get on with its meal. This species’ long, thin jaws imply a diet of soft, pulpy fruit. 9). 10). 11). 9. A great striped-faced bat, Vampyrodes caraccioli, perched on a palm frond, eating a ripe fig.

A hoary bat, Lasiurus cinereus, in flight, showing contrasting color pattern on wings. The back part of the skull, or braincase, houses and protects the brain and provides attachments for muscles, including some of those used in biting and chewing. Muscle attachment is facilitated by bony structures called crests. A sagittal crest, running along the top of the braincase, and a lambdoidal crest along the back are exceptionally well developed in species with large, strong jaws. Similarly, the zygomatic arches, or cheekbones, range from tiny, fragile bones that may even be absent in some species to enlarged bony plates providing surface areas for muscle attachments.

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Bats in Question: The Smithsonian Answer Book by Don E. Wilson

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