Download Bats : a world of science and mystery by Fenton, Melville Brockett; Simmons, Nancy B PDF

By Fenton, Melville Brockett; Simmons, Nancy B

There are greater than 1,300 species of bats - or virtually 1 / 4 of the world's mammal species. yet prior to you diminish in worry from those bushy "creatures of the night," give some thought to the bat's basic position in our surroundings. A unmarried ten-gram bat could consume a number of thousand bugs in an evening. during the tropics and subtropics, fruit and nectar-feeding bats also are an important to the lives of crops, offering both Read more...


There are greater than 1,300 species of bats - or nearly 1 / 4 of the world's mammal species. yet sooner than you scale down in worry from those hairy "creatures of the night," examine the bat's fundamental Read more...

Show description

Read Online or Download Bats : a world of science and mystery PDF

Similar mammals books

The Ecology of Browsing and Grazing

Broad grazing and perusing via family and wild herbivores form the plants composition, constitution and dynamics of many terrestrial ecosystems. This quantity investigates how huge herbivores not just impression the constitution and distribution of the plants, but in addition have an effect on nutrient flows and the responses of linked fauna.

Among the Islands: Adventures in the Pacific

Tim Flannery is likely one of the world’s so much influential scientists, credited with researching extra species than Darwin. In one of the Islands Flannery recounts a sequence of expeditions he made on the sunrise of his profession to the unusual tropical islands of the South Pacific, a superb arc stretching approximately 4,000 miles from the postcard perfection of Polynesia to a couple of the biggest, maximum, historic, and such a lot rugged islands on the earth.

Wildlife Monographs - Wolves

There are possibly extra myths and legends approximately wolves than the other dwelling creature. In fiction, they're as a rule portrayed as evil yet during this ebook the authors set out, in phrases and photographs, to provide a clearer and un-prejudiced realizing of the lives of those carnivorous mammals their background, conduct, distribution, atmosphere and their organization with guy, himself a hunter.

Additional info for Bats : a world of science and mystery

Example text

The tragi are small in Slit-faced Bats (Nycteridae) and Free-tailed Bats (Molossidae). Other parts of the ear may serve the function of the tragus in echolocation. ) Chapter 1: It’s a Bat! 31 The Diversity of Bats Most areas of the world support many species of bats, each of which has a slightly different anatomy and lifestyle. Most bat species occur in tropical and subtropical regions, meaning that countries closer to the equator tend to have more species of bats than countries in northern (or southern) temperate regions.

When the opening is smaller than the bat’s wingspan but large enough to admit its body, the bat flies directly at the opening and, just as it arrives, tucks up its wings and dives through. If a mischievous experimenter puts fine threads across the opening, the bat bulls its way through. When fine wires rather than threads obstruct the opening, the bat looks elsewhere for a way out. These observations represent impressive demonstrations of flight performance and control, as well as of the sensory abilities of bats.

White and Purple arrows show enlargements (B and C) of areas on the skulls (A and D). Fossil bats like Palaeochiropteryx and Icaronycteris show clear evidence that they were echolocators. With the help of x-rays and CT scans, Nancy and her colleagues have been able to “see” into the skulls of these animals and measure the relative size of their cochlea. Stylohyal elements are likewise preserved in some specimens. Skeletal features of mammals can be very revealing about the habits of these animals.

Download PDF sample

Rated 4.19 of 5 – based on 21 votes