Download e-book for kindle: Bats: A World of Science and Mystery by M. Brock Fenton, Nancy B. Simmons

By M. Brock Fenton, Nancy B. Simmons

ISBN-10: 022606526X

ISBN-13: 9780226065267

There are greater than 1,300 species of bats—or nearly 1 / 4 of the world’s mammal species. yet sooner than you reduce in worry from those bushy “creatures of the night,” think of the bat’s primary function in our surroundings. A unmarried brown bat can consume a number of thousand bugs in an evening. Bats additionally pollinate and disperse the seeds for lots of of the vegetation we adore, from bananas to mangoes and figs.

Bats: an international of technology and secret offers those attention-grabbing nocturnal creatures in a brand new mild. Lush, full-color images painting bats in flight, feeding, and mating in perspectives that convey them in unprecedented element. The images additionally take the reader into the roosts of bats, from caves and mines to the tents a few bats construct out of leaves. A entire advisor to what scientists learn about the realm of bats, the ebook starts off with a glance at bats’ origins and evolution. The publication is going directly to deal with a bunch of questions regarding flight, nutrition, habitat, replica, and social constitution: Why perform a little bats stay by myself and others in huge colonies? while do bats reproduce and take care of their younger? How has the facility to fly—unique between mammals—influenced bats’ mating habit? A bankruptcy on biosonar, or echolocation, takes readers throughout the procedure of high-pitched calls bats emit to navigate and trap prey. greater than half the world’s bat species are both in decline or already thought of endangered, and the e-book concludes with feedback for what we will do to guard those species for destiny generations to profit from and enjoy.

From the tiny “bumblebee bat”—the world’s smallest mammal—to the large Golden-Crowned Flying Fox, whose wingspan exceeds 5 toes, A Battery of Bats offers a wide ranging view of 1 of the world’s so much attention-grabbing but least-understood species.

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Additional info for Bats: A World of Science and Mystery

Example text

The currently accepted tree indicates that all bats evolved from a common ancestor that could fly, and that powered flight evolved only once in mammals. Gliding mammals—such as flying squirrels and colugos—are not closely related to bats. There is currently no positive evidence that bats passed through a gliding stage in their evolution, although many specialists in bat flight mechanics believe that they did. The details of how bats achieved powered flight remain unclear because no fossil intermediates between Onychonycteris and the non-flying ancestors of bats are known.

This fossil represents a bat species never before seen by scientists. Nancy is currently working with paleontologist colleagues to formally describe and name this new taxon, which will also be the basis for a new bat family. The large, bulbous hypocone cusp (indicated by the yellow arrow) is a unique feature of this animal. Based on comparisons with living species, we think that this bat was probably omnivorous because broad teeth and rounded cusps are seen in living species that include plant material (like fruit) in their diet.

The Green River Formation consists of finegrained sandstone, mudstone and siltstone layers that were deposited in a series of freshwater lakes in what are now the states of Wyoming, Colorado and Utah. 5 million years old. The rocks themselves are pale laminated mudstones that beautifully preserved the dark brown bones of vertebrates. Most of the fossils from the Green River Formation are fish—over a million specimens representing twenty-five species are known. Other animals, however, were sometimes fossilized, including bats, insects and other arthropods, salamanders, frogs, turtles, crocodiles, lizards, snakes, birds and early members of the carnivore and ungulate lineages.

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Bats: A World of Science and Mystery by M. Brock Fenton, Nancy B. Simmons


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