Category: Zoology

Download E-books Migration: The Biology of Life on the Move PDF

Migration, largely outlined as directional stream to exploit spatially disbursed assets, is a dramatic behaviour and a tremendous element of many existence histories that may give a contribution to the elemental structuring of ecosystems. in recent times, our figuring out of migration has complex greatly with appreciate to either new info and conceptual knowing. it truly is now nearly two decades because ebook of the 1st version, and an authoritative and updated sequel that gives a taxonomically finished assessment of the newest examine is accordingly well timed.

The emphasis all through this complicated textbook is at the definition and outline of migratory behaviour, its ecological results for people, populations, and groups, and the way those results bring about typical choice performing on the behaviour to reason its evolution. It takes a very integrative strategy, displaying how comparisons throughout a range of organisms and organic disciplines can remove darkness from migratory lifestyles cycles, their evolution, and the relation of migration to different movements.

Migration: The Biology of lifestyles at the circulation makes a speciality of migration as a behavioural phenomenon with vital ecological outcomes for organisms as diversified as aphids, butterflies, birds and whales. it truly is compatible for senior undergraduate and graduate point scholars taking classes in behaviour, spatial ecology, 'movement ecology', and conservation. it is going to even be of curiosity and use to a broader viewers ecologists and behaviourists looking an authoritative evaluate of this swiftly increasing field.

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Download E-books Canoe Country Wildlife: A Field Guide to the North Woods and Boundary Waters PDF

By Mark Stensaas

Warblers, wolves, and whirligig beetles—the creatures of the canoe countrywilderness come alive in Canoe Country Wildlife. In this read-aloud treasure, “Sparky” Stensaas, naturalist and storyteller, intrigues you together with his stories of encounters with the woodland inhabitants—from tiny toads to majestic moose.

Canoe Country Wildlife, a pleasant box advisor, introduces you to the wildlife you are probably to work out as you shuttle within the North Woods. It describes those creatures and their conduct adequately so you’ll be aware of the place and while to seem for them. distinct line drawings illustrate each one animal essentially so you’ll realize what you’re seeing.

The publication is full of attention-grabbing little-known proof: were you aware that wooden frogs can freeze reliable, basically to reside back? That loons can fly 100 miles an hour? That chipmunks can hold seventy sunflower seeds of their cheeks?

Canoe Country Wildlife includes convenient checklists that can assist you retain tune of the critters you stumble upon, a calendar so you might checklist the ordinary occasions you witness, and activities—one for every animal—that may also help either adults and youngsters study through discovery.

Carry Canoe Country Wildlife in your pack. Your journey might be extra stress-free and your thoughts will final ceaselessly. It’s an excellent gift for somebody who loves the outdoors.

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Download E-books Birds of the Dominican Republic and Haiti (Princeton Field Guides) PDF

By Christopher Rimmer, James Wiley, Kent McFarland, Eladio Fernandez

Birds of the Dominican Republic and Haiti fills a wide void within the literature on birdwatching and the surroundings in those tropical international locations. the 1st accomplished box advisor dedicated to Hispaniola's birds, it offers specified debts for greater than three hundred species, together with thirty-one endemic species.

integrated within the species descriptions are information on key box marks, related species, voice, habitats, geographic distribution on Hispaniola, prestige, nesting, diversity, and native names utilized in either the Dominican Republic and Haiti. The authors additionally touch upon ecology, habit, and taxonomic prestige. The e-book offers colour illustrations and diversity maps in line with the newest facts to be had. however the authors' reason is to supply greater than only a technique of choosing birds. The advisor additionally underscores the significance of marketing the conservation of migratory and resident birds, and construction help for environmental measures.

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Download E-books Animal Communication Networks PDF

Summarizing learn growth and customers within the speedily increasing zone of animal verbal exchange networks, this booklet differs from different works on animal conversation since it covers numerous animal teams and kinds of sign. It additionally highlights study on the interface with different disciplines (for instance, psychology and body structure) and is meant for researchers within the box, complicated scholars and high-level undergraduates.

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Download E-books Plant Mites and Sociality: Diversity and Evolution PDF

Mites are very small animals, characterised by means of wingless and eyeless our bodies, during which sociality has been stumbled on. This e-book bargains targeted descriptions of the varied social platforms and the social evolution of mites, starting from genetic to ecological features. via a large spectrum of reviews together with conventional typical heritage, taxonomy, sleek evolutionary and behavioral ecology, and theoretical versions in addition, the publication addresses a couple of vital findings on plant mite evolution and species radiation, with the writer succeeding in combining theoretical and functional techniques in behavioral ecology via presenting a brand new online game idea. those findings mirror the advanced evolutionary heritage of those taxa and likewise aid to indicate essentially what's recognized and what's now not but recognized to this point. Mites were thought of a minor animal workforce, however the writer exhibits that mites truly own nice range and as a result make distinct fabrics for evolutionary and behavioral studies.

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Download E-books Do Hummingbirds Hum?: Fascinating Answers to Questions About Hummingbirds (Animal Q&a Series) PDF

By George C. West, Carol A. Butler

Hummingbirds could be the smallest birds on the earth, yet they've got the most important appetites. Their wings flutter on standard fifty to 80 occasions every one moment as they stopover at 1000s of flora over the process an afternoon to sip the candy nectar that sustains them. Their hearts beat approximately twelve hundred instances a minute and their fast respiring permits those striking birds to maintain their specified demeanour of flight. they could hover within the air for lengthy sessions, fly backwards utilizing forceful wings that swivel on the shoulder, and dive at approximately 200 miles in keeping with hour. local basically to the Americas, a few hummingbirds were identified emigrate from Mexico to Alaska during a season. gazing a hummingbird at a yard feeder, we purely see its glittering iridescent plumage and its lengthy, slender beak; its swiftly relocating wings are a blur to our eyes.These tiny, colourful birds have lengthy involved birders, novice naturalists, and gardeners. yet, do they truly hum?In Do Hummingbirds Hum? George C. West, who has studied and banded over 13,500 hummingbirds in Arizona, and Carol A. Butler offer an summary of hummingbird biology for the final reader, and extra particular discussions in their morphology and behaviour in the event you are looking to fly past the fundamentals. Enriched with attractive and infrequent images, together with a piece in shiny colour, this enticing query and resolution advisor bargains readers quite a lot of information regarding those wonderful pollinators in addition to suggestions for attracting, photographing, and looking at hummingbirds within the wild or in captivity..

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