

The National Geographic Guide to Birding in North America
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Épisodes
S. 1 ÉP. 1 - Birding Basics: Bird Origins and Taxonomy
25 mai 201731 minBegin by delving into the history of birdwatching in the U.S., from the early naturalists of the 18th century to today's highly organized activity. Then look into the origins of birds, and how they are linked evolutionarily to dinosaurs and early reptiles. Finally, explore bird taxonomy, and how their scientific classification aids us in identifying them in the field.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 2 - Basic Bird Anatomy
25 mai 201730 minInvestigate the anatomy of birds, and how understanding anatomical features aids us in identification. Then learn about the fascinating range of bird feathers, and their different functions. Observe how understanding the flight patterns of birds helps identify them in the field. Last, compare two common birds, as an exercise in using the knowledge you've learned so far.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 3 - Size, Shape, and Color as Birding Tools
25 mai 201730 minLook 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.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 4 - Bird Distribution, Status, and Endemism
25 mai 201732 minTake account of three further aids for bird identification. See how charting birds' distribution or geographical range provides much useful information about specific species. Grasp the benefits of knowing a bird's status, or abundance vs. rarity, and how status can change. Also study the factor of endemism, where birds are limited to one specific region, and the uses of this information.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 5 - Habitat and Season as Birding Tools
25 mai 201731 minExplore the North American habitats of forest, grasslands, desert, sagebrush, chaparral, and tundra, distinguishing their specific features and the amazing birds that are native to each of these environments. Add to this knowledge by investigating the roles of habitat specialization, the seasons, and migration patterns as they help us in identifying bird species.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 6 - Introduction to Birding Optics
25 mai 201730 minDiscuss the core optical tools that aid us in observing birds in the field. Study the parts of a pair of binoculars, and the pros and cons of different types of binoculars. Learn how to use binoculars for birding, highlighting matters such as magnification, field of view, and depth of field. Also take account of spotting scopes, and how they provide detail that binoculars can't.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 7 - Tactics for Better Birding
25 mai 201730 minToday, review a range of methods for attracting birds, in the field and at home. In both places, consider the use of stealth and concealment techniques, for observing while remaining unobserved. Study the remarkable ability of sounds to attract birds, and the use of water, plants, and feeders in your yard. Also learn about important ways to record your observations.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 8 - Using Bird Behavior to Identify Birds
25 mai 201731 minLook into six categories of bird behavior, as they provide vital information for identification. See how individual species are distinguished by typical or unique behavioral traits. Study the distinctive feeding habits of many species, and how we can recognize species from flight and flocking behavior. End by exploring the extraordinary mating and nesting customs of North American birds.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 9 - Understanding Variations in Plumage
25 mai 201729 minPlumage variation in a single bird reveals much useful information. First, take account of plumage differences based on sex, and seasonal plumage changes. Then investigate the remarkable range of age-related plumage variation in birds. Learn how birds molt (shed and replace plumage), and how hybrid species, as well as genetic and environmental factors, pose challenges for identification.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 10 - Birding by Ear
25 mai 201731 minStudy 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.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 11 - Essentials of Bird Migration
25 mai 201730 minMigration seasons provide excellent opportunities to sight unfamiliar bird species. Here, uncover the evolutionary origins of migration, and why birds migrate. Study the triggers and geographical patterns of migration, and the four principal "flyways" (migration zones) of North America. Learn how to maximize your sightings of migrating birds, and how technology can aid this.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 12 - Birding at Night
25 mai 201730 minSome additional birding skills are needed for night viewing of birds. Learn about equipment for night birding, ways of locating nocturnal birds, and approaches to viewing migrating birds at night. Then investigate the fascinating range of night birds, encompassing the great diversity of owls, as well as species such as night-herons, nighthawks, and nightjars.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 13 - Pelagic Birding
25 mai 201729 minOpen sea birding adds another exciting dimension to birdwatching. Begin with an introduction to sea trips for birding, covering types of excursions and vessels, equipment, and important logistical and safety information. Preview the remarkable birds you'll see, from the mysterious albatross to petrels, tropicbirds, pelicans, gulls, puffins, and the best places to embark from to see them.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 14 - Waterbirds, Shorebirds, and Game Birds
25 mai 201733 minAs an introduction to bird families, 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.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 15 - Diurnal Raptors
25 mai 201733 minNow travel into the world of these iconic and alluring birds of prey, and their distinguishing features, ranges, and behaviors. Learn about New World vultures, including the magnificent California condor. Also encounter the osprey, kites, eagles, hawks, falcons, kestrels, and the crested caracara. Consider the challenges of raptor-watching, and their unusual history with humans.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 16 - From Doves to Kingfishers
25 mai 201732 minHere, study several diverse groups of birds, ranging from the familiar to the exotic. Explore the surprising variety of pigeons and doves, and trace the sad demise of the passenger pigeon. Note the presence of "introduced" parrots in the U.S., and discover the range of cuckoos, anis, woodpeckers, trogons, swifts, hummingbirds, and kingfishers that flourish across North America.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 17 - Passerines: From Flycatchers to Thrushes
25 mai 201732 minBegin to uncover the huge spectrum of Passerines (perching or songbirds). Start with the flycatchers, aerialists adept at catching insects in midair, and the shrikes, rare songbirds with a raptor lifestyle. Within this far-ranging exploration, encounter bird families such as the crows and jays, magpies, larks, swallows, chickadees, wrens, dippers (the only aquatic songbirds), and thrushes.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 18 - Passerines: From Thrashers to Warblers
25 mai 201731 minContinue 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.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 19 - Passerines: From Tanagers to Finches
25 mai 201732 minToday, complete your review of the Passerines (songbirds). Beginning with the seed-eating towhees, explore the many varieties of New World sparrows, the juncos, and Old World buntings. Then study the tanagers, cardinals, dickcissels, grosbeaks, and vivid New World buntings, before concluding with families such as the meadowlarks, blackbirds, grackles, orioles, finches, and crossbills.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 20 - Photography for Birders
25 mai 201730 minLay 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).Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 21 - Birding Sites in Eastern North America
25 mai 201732 minLearn about eleven of the best birding destinations in the Eastern U.S. and Canada. Among them, pay visits to Maine's Monnegan Island, a stopping place for a huge variety of migrants; Cape May, New Jersey, a locus of great birding sites and a haunt of famed birders; and Ohio's Magee Marsh, a legendary birding spot which hosts 338 bird species.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 22 - Birding Sites in Western North America
25 mai 201733 minAmong twelve top Western birding sites, visit the Alaska Maritime National Wildlife Refuge, nesting site of forty million seabirds; California's Point Reyes National Seashore, which hosts a massive 490 species; the Grand Canyon, a Globally Important Bird Area; and a Texas park that sees a million migrating raptors each fall.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 23 - Birds and People
25 mai 201729 minContemplate the deep and long-term interactions between birds and humans. Beginning in ancient times, explore the roles birds have played in diverse civilizations, and how birds have benefited people in ways ranging from hunting to pest control. In today's world, take account of citizen science efforts, bird banding, and other ways birders can contribute to scientific knowledge.Démarrer un essai gratuit de The Great Courses Living ou acheterS. 1 ÉP. 24 - Birding Ethics and Conservation
25 mai 201740 minConsider guidelines for ethical birding, based in respect for fellow birders and non-birders alike. Conclude with a far-reaching look at matters affecting bird welfare, at both the individual and species level. Review current environmental factors that endanger birds, and actions you can take, both individually and through organizations, to safeguard our precious bird species.Démarrer un essai gratuit de The Great Courses Living ou acheter