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

By Don E. Wilson

Do bats rather drink blood? how briskly can bats fly? Are they relating to birds? What are the most important and smallest bats? Why do they stay 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, means for flight, and weird visual appeal. Bats account for almost 1 / 4 of the world's mammal species, but every time they're obvious they increase questions.Seeking to dispel the myths linked to those awesome creatures and arguing for his or her key position in a balanced environment, Bats in query covers all features of bat biology in a realistic question-and-answer structure. Describing the place bats stay, how they use echolocation to navigate, or even why they cling the wrong way up, the publication additionally provides the conservation prestige of all 925 bat species. the writer lines the evolution of bats and indicates their extraordinary variety by means of describing all of the significant teams by way of their diverse physique buildings and habitats. He additionally sheds gentle on bats' advanced social platforms, remarkable version in measurement, and meals personal tastes that surround crops, bugs and mammals.The e-book additionally explores cultural attitudes approximately bats - telling how, until eventually lately, bats have been relegated to the area of vampires and the way they've got emerged to take their position in public information as vital and interesting contributors of our ecosystems.

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Although the size range of bat skulls is less than that of other orders of mammals, the diversity in shape is remarkable. In general, this variation is the result of a similarly noteworthy diversity in food habits and foraging styles. 5. 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.

Most of these are megachiropterans, but there are a few impressively big microchiropterans as well. In the New World, the largest species is the American false vampire bat, Vampyrum spectrum. This species is not a vampire at all but rather a top carnivore, feeding on other bats, birds, amphibians, and reptiles. A related species, the giant woolly bat, Chrotopterus auritus, is also carnivorous and nearly as large as Vampyrum. HOW LONG DO BATS LIVE? Compared with most small mammals, bats are amazingly long-lived.

Some individuals may live for 30 or more years, but the average life span is undoubtedly much less than that. The maximum age varies greatly from species to species and is heavily influenced by geography and lifestyle. Bats that live in the temperate zone and spend more than half of each year in hibernation live the longest. The little brown bat, Myotis lucifugus, holds the record for longevity at 33 years. Compare this with most species of rodents, which live for less than one full year. Longevity records are calculated on the basis of recapture of banded bats.

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