Catalog Search Results
3) Animal
Description
With more than 1 million copies sold, this updated and revised celebration of the animal kingdom features photos and descriptions of over 2,000 species and habitats. Bringing animals, habitats, and up-to-date research to life for readers around the world, Animal explores the creatures that have fascinated and inspired humans for years, from intrepid Emperor penguins to fierce Siberian tigers, to the very intelligent and highly communicative humpback...
Description
Continue with the astonishing variety of North American songbirds. Learn about birds that mimic, the mockingbirds and catbird, and the thrashers, with their namesake feeding behavior. Track the striking bulbuls, the starlings, pipits, wagtails, waxwings, longspurs, and snow buntings, and finish with the vast array of warbler species, and the challenges they pose to identification.
Description
In the first of six lectures on the bird families of North America, study four groups of birds that most people will find close to home. Begin with waterfowl, birds that swim in fresh water or near the ocean shore. Continue with wading birds, with their distinct physical profile; shorebirds, a vast group which includes sandpipers; and upland game birds.
Description
Look first at three physical tools that you can use right away to become a more effective birder. Consider how familiarity with the shape or silhouette of bird families, as well as bird size, aid you in focusing in on exact species. Study the color factors of pigment and keratin, as they produce the dazzling range of bird coloration, and investigate color as an identification tool.
Description
Investigate three forms of avian polygyny, where one male mates with several females, and the factors that make it a useful adaptation. Then discover "leks," courtship arenas where males compete for mates, and witness the dramatic courtship displays of some male birds. Marvel at the Australian bowerbirds, who build elaborate, decorated structures whose only purpose is to attract a mate.
Description
Get some valuable reassurance and reinforcements about continuing your training in a consistent manner as you take on the challenge of getting your dog to go down from a sit, down from a stand, sit from a down, and sit from a stand. You'll also tackle station and watch and evolve your recall from Pavlovian (rewards) to Premack (positive reinforcement).
Description
Professor Donaldson explains how to motivate a dog and adjust your rate of reinforcement for these and a number of other common obstacles that may stand in his way. She also provides tips for transitioning out of training mode and into integrating what your dog has learned into common behaviors.
Description
Professor Donaldson shows various techniques out in the field as she puts the wait command to the test at a dog park. Watch and learn as she adds in distraction, distance, and duration for more of a challenge. She provides valuable tips to help transition practicing the same lessons in an unfamiliar environment.
Description
One of the best ways to curb instincts in your dog is to instill impulse control. Professor Donaldson teaches you how to teach dogs to cool their jets with sit-stay, down-stay, leave it, wait, and loose leash walking. She'll also cover the three most important parameters in down-stay and sit-stay: distraction, distance, and duration.
Description
Discover the remarkable physiological features of birds that undergird flight. First, note how and why feathers evolved. Then, investigate the high metabolism of birds - they must burn energy at an astounding rate. See how birds are adapted for flight by many weight-reducing factors, and how their respiratory, circulatory, and excretory systems, as well as heightened senses, keep them airborne.
Description
Contrary to the old cliché, you can teach old dogs new tricks - and new dogs old tricks. Professor Donaldson reviews the ages and stages of dog maturity and has tips for which training to start your puppies with and how to choose the right puppy socialization class. She provides insightful instructions on training older dogs as well, including how to consider any physical ailments they may have.
Description
Compare models which may explain female birds' choice of mates. Observe how females "test" potential mates and how males provide a basis for choice, through courtship displays or offering prime territory. Study the intricacies of avian monogamy and polygamy; take account of pair bonding in birds, extra-pair mating, sexual role reversal, and the avian equivalents of "adultery" and "divorce."
Description
Lay a foundation for fine bird photography, starting with the basics of aperture, shutter speed, ISO (light sensitivity), and focus. Investigate the use of natural light at different times of the day, and the best equipment for photographing birds. Learn how to approach birds and capture them on camera, and consider the advantages of digiscoping (photography through a spotting scope).
Description
Study the physics and biology of avian sounds, which underlie the rich range of birdsong heard in the field. Discover how birds learn to vocalize, and how bird songs and calls are used for a remarkable spectrum of communication. Look at mimicry in birds, ways to use recordings to attract birds, and how digital technology can teach us more about bird vocalization.
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