Category: Nature

Download E-books Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions (California Natural History Guides) PDF

The California Tortoiseshell, West Coast girl, purple Admiral, and Golden Oak Hairstreak are only the various many butterfly species present in the floristically wealthy San Francisco Bay and Sacramento Valley areas. This advisor, written for either starting and skilled butterfly watchers by means of one of many nation's best-known expert lepidopterists, offers thorough, updated info on all the butterfly species present in this various and obtainable sector. Written in vigorous prose, it discusses the average background and conservation prestige for those butterflies and whilst offers an built-in view of butterfly biology in response to stories carried out in northern California and all over the world. Compact adequate to be used within the box, the consultant additionally contains pointers on butterfly observing, images, gardening, and more.
* Discusses and identifies greater than one hundred thirty species
* Species money owed comprise info on choosing butterflies via habit, markings, and host plants
* attractive full-color plates illustrate most sensible and backside perspectives of wings for simpler identification
* contains a species list and a glossary

Show description

Read more
 

Download E-books Dog (Animal) PDF

Dogs are probably our hottest pets, and positively one of many best-loved of all animals. they aren't simply humanity’s ally, also they are its oldest: burial websites courting again 12,000 years point out that canines moved along prehistoric peoples sooner than, in the course of and after either species settled the area. the tale of the canines has been essentially entwined with that of humanity because the earliest occasions, and this historical and interesting tale is informed in Susan McHugh’s Dog.

This booklet unravels the controversy approximately even if canines are descended from wolves, and strikes directly to take care of canine in mythology, faith and future health, puppy cults in historical and medieval civilizations as disparate as Alaska, Greece, Peru and Persia, and lines correspondences among the histories of canine within the some distance East, Europe, Africa and the Americas. Dog additionally examines the really fresh phenomenon of puppy breeding and the discovery of species, in addition to the canine’s position in technology truth and fiction; from Laika, the 1st astronaut, and Pavlov’s well-known conditioned canines, via to technology fiction novels and cult movies similar to A Boy and his Dog.

Susan McHugh indicates how canine this day give a contribution to human lives in a major variety of methods, not just as pets and consultant canines but additionally as resources of nutrients in Asia, leisure staff, and clinical and spiritual items. Dog unearths how we have now formed those animals over the millennia, and in flip, how canines have formed us.

Show description

Read more
 

Download E-books Life on the Wing: A Bird Chronicle From the Pages of the Times PDF

By Derwent May

From dainty avocets prancing alongside the beach to panic-stricken waxwings frenziedly gobbling berries, from barking barnacle ducks to hovering skylarks, Derwent might writes approximately birds in a truly detailed method. As he is going looking for birdlife in numerous areas – the English lanes and rolling corn fields that he loves, the lonely Essex marshes, the distant bird-haunted islands of Grassholm and reasonable Isle – may perhaps unearths simply what it sounds like to be a birdwatcher. With him, the reader will adventure the buzz of clean discoveries, the peace and contentment that birds can convey and the comedy to be chanced on either within the behaviour of birds and the human reaction to them. could is an alert observer of avian behavior and manners, describing them vividly and poetically, yet underlying every little thing he writes is clinical wisdom and a wealth of expertise. applying all of those talents and drawing on his well known weekly ‘Feather Reports’ column from the days, may well creates a desirable chronicle of a 12 months within the lifetime of our birds, from robins to rarities, with Peter Brown’s illustrations including the appropriate of entirety.

Show description

Read more
 

Download E-books Swordfish: A Biography of the Ocean Gladiator PDF

By Richard Ellis

A excellent fish within the evolutionary experience, the broadbill swordfish derives its identify from its specified bill—much longer and wider than the invoice of the other billfish—which is flattened into the sword all of us realize. And although the majesty and attract of this warrior fish has commanded a lot attention—from adventurous sportfishers desirous to land one to starving diners desirous to flavor one—no one has but been daring adequate to actually tackle the swordfish as a biographer. Who greater to take action than Richard Ellis, a grasp of marine normal historical past? Swordfish: A Biography of the sea Gladiator is his masterly ode to this strong fighter.

The swordfish, whose medical identify ability “gladiator,” can tackle somebody and anything, together with ships, boats, sharks, submarines, divers, and whales, and during this publication Ellis regales us with stories of its energy and energy. Ellis makes it effortless to appreciate why it has encouraged such a lot of to soak up the problem of epic sportfishing battles in addition to the longline fishing expeditions stated through writers akin to Linda Greenlaw and Sebastian Junger. Ellis exhibits us how the invoice is used for defense—contrary to well known opinion it isn't used to spear prey, yet to lessen and debilitate, like a skillful saber fencer. Swordfish, he explains, hunt on the floor in addition to millions of toes down within the depths, and prefer tuna and a few sharks, have an strange circulatory method that provides them an important virtue over their prey, regardless of the intensity during which they hunt. Their adaptability allows them to swim in waters the realm over—tropical, temperate, and infrequently cold—and the most important ever stuck on rod and reel used to be landed in Chile in 1953, weighing in at 1,182 kilos (and this heavyweight fighter, like every the biggest swordfish, was once a female).

Ellis’s distinctive and engaging, fact-filled biography takes us in the back of the swordfish’s large, cornflower-blue eyes and gives an entire background of the fish from prehistoric fossils to its present-day endangerment, as our style for swordfish has had a drastic impact on their inhabitants across the world. all through, the ebook is graced with a lot of Ellis’s personal drawings and work, which seize the attract of the fish and convey its beauty and tool to existence for armchair fishermen and landlocked readers alike.

Show description

Read more
 

Download E-books Backpacking Idaho: From Alpine Peaks to Desert Canyons PDF

By Douglas Lorain

A nearly undiscovered backpacking paradise, Idaho has quite a few desert parts of mind-boggling dimension. Backpackers can locate whole solitude, flora and fauna, and a few of North America's most eminent surroundings. Idaho's mountains additionally boast nice climate -- fewer thunderstorms than the primary Rockies, much less rain than Oregon and Washington, and cooler summer season temperatures than California.

Backpacking Idaho takes you to what writer Doug Lorain calls a "Shangri-la" for backpackers. within the craggy Selkirk Mountains you can find lush forests, small cirque lakes, and jagged granite peaks. look ahead to ospreys, river otters, and belted kingfishers within the fast Selway River. discover enormous quantities of miles of trails within the lightly rolling forested hills in north-central Idaho, or head to Hell's Canyon, the private gorge in North the US, the place you can find either alpine tundra and cactus-studded barren region.

Show description

Read more
 

Download E-books The Ingenuity Gap: Facing the Economic, Environmental, and Other Challenges of an Increasingly Complex and Unpredictable Future PDF

By Thomas Homer-Dixon

Regardless of all of society’s advances, our difficulties proliferate. Wars abound, environmental degradation hurries up, economies topple in a single day, and pandemics akin to AIDS and tuberculosis proceed to unfold. the web and different media support to disseminate wisdom, yet they’ve additionally created an “info-glut” and left us too little time to strategy it. What’s extra, advances in expertise have made the realm so bewilderingly fast paced and complicated that fewer individuals are capable even to know the issues, not to mention generate options. That house among the issues that come up and our skill to resolve them is “the ingenuity gap,” and as we careen in the direction of an more and more harried and anxious destiny, the distance turns out in simple terms to widen.

As he explores the potential results of this hole, Thomas Homer-Dixon deals an soaking up evaluate of the nation of the area and our skill to mend it. Culling from an remarkable array of fields–from economics to evolution, political technology to paleontology, desktops to communications –he integrates his substantial wisdom into an available and fascinating argument. this can be a booklet with profound implications for everybody that we will be able to in poor health have enough money to disregard.

Show description

Read more
 

Download E-books Winter World: The Ingenuity of Animal Survival PDF

By Bernd Heinrich

From flying squirrels to grizzly bears, and from lethargic turtles to bugs with antifreeze, the animal state is determined by a few dazzling evolutionary recommendations to outlive wintry weather. in contrast to their human opposite numbers, who needs to adjust the surroundings to house actual barriers, animals are adaptable to an awesome diversity of conditions.

Examining every little thing from meals resources within the super barren wintry weather land-scape to the chemical composition that enables yes creatures to outlive, Heinrich's iciness global awakens the principally undiscovered mysteries wherein nature sustains herself via winter's harsh, merciless exigencies.

Show description

Read more
 

Download E-books Exploring Nature in Illinois: A Field Guide to the Prairie State PDF

By Michael Jeffords

Loaded with complete colour images and evocative descriptions, Exploring Nature in Illinois offers a landscape of the state's missed traditional range. Naturalists Michael Jeffords and Susan publish discover fifty preserves, forests, recovery parts, and parks, bringing a professional view to natural world and landscapes and looking out past the most obvious to discover the unforeseen fantastic thing about Illinois's wild places.
 
From the colourful number of birds at warfare Bluff Valley Audubon Sanctuary to the uncovered bedrock and cliff faces of Apple River Canyon, Exploring Nature in Illinois will encourage readers to discover wonders hidden from city sprawl and cultivated farmland. Maps and outlines aid tourists entry even hard-to-find websites whereas a wealth of element and images deals nature-lovers insights into the vegetation, fauna, and different elements of brilliant settings and ecosystems. The authors additionally contain diary entries describing their very own impressions of and engagement with the sites.
 
a special and much-needed reference, Exploring Nature in Illinois will entertain and enlighten hikers, cyclers, scholars and scouts, morning walkers, weekend drivers, and someone else trying to come again to nature within the Prairie State.

Show description

Read more
 

Download E-books The Infested Mind: Why Humans Fear, Loathe, and Love Insects PDF

The human response to bugs is neither only organic nor easily cultural. And not anyone reacts to bugs with indifference. bugs frighten, disgust and fascinate us. Jeff Lockwood explores this phenomenon via evolutionary technological know-how, human background, and modern psychology, in addition to a debilitating bout with entomophobia in his paintings as an entomologist. Exploring the character of hysteria and phobia, Lockwood explores the full of life debate approximately how a lot of our worry of bugs could be attributed to ancestral predisposition for our personal survival and what kind of is realized via person reports. Drawing on vibrant case reports, Lockwood explains how bugs have come to infest our minds in occasionally devastating methods and supersede even the main rational realizing of the advantages those creatures offer.

No you possibly can declare to be ambivalent within the face of wasps, cockroaches or maggots yet our collective entomophobia is wreaking havoc at the wildlife as we soak our nutrition, houses and gardens in robust pesticides. Lockwood dissects our universal reactions, distinguishing among disgust and worry, and invitations readers to contemplate their very own emotional and physiological reactions to bugs in a brand new framework that he is derived from state-of-the-art organic, mental, and social science.

Show description

Read more