Waubonsee Community College

The migration ecology of birds, Ian Newton ; illustration by Keith Brockie

eng

Includes bibliographical references and index

illustrations

index present

non fiction

The migration ecology of birds

bibliographydictionaries

183189117

Ian Newton ; illustration by Keith Brockie

Cover -- Contents -- Preface -- Chapter 1 Introduction -- TYPES OF BIRD MOVEMENTS -- ADAPTATIONS FOR MIGRATION -- THE DIVERSITY OF MIGRATION -- SEDENTARY POPULATIONS -- HIBERNATION -- SUMMARY -- Chapter 2 Methodology -- OBSERVATIONS OF BIRDS ON MIGRATION -- RADAR AND OTHER DEVICES -- DISTRIBUTION STUDIES -- RINGING -- RADIO-TRACKING -- ISOTOPES AND OTHER MARKERS -- CONNECTIVITY -- STOPOVER ECOLOGY -- LABORATORY RESEARCH ON PHYSIOLOGY, MIGRATORY RESTLESSNESS AND DIRECTIONAL PREFERENCES -- BREEDING PROGRAMMES -- MATHEMATICAL MODELS -- CONCLUDING REMARKS -- SUMMARY -- PART ONE: THE MIGRATORY PROCESS -- Chapter 3 Migratory flight -- BODY WEIGHT, SPEED AND FLIGHT MODE -- FLAPPING AND SOARING FLIGHT -- THE CONCEPT OF ENERGY HEIGHT -- CONCLUSIONS ON THE ROLE OF BODY SIZE IN BIRD MIGRATION -- THE NEED FOR REST -- MIGRATION BY WALKING OR SWIMMING -- CONCLUDING REMARKS -- SUMMARY -- Chapter 4 Weather effects and other aspects -- MIGRATION AND WEATHER -- ALTITUDE OF MIGRATION -- DIURNAL AND NOCTURNAL FLIGHT -- SOCIAL FACTORS -- REVERSE MIGRATION -- SUMMARY -- Chapter 5 Fuelling the flights -- ENERGY NEEDS AND BODY COMPOSITION -- MIGRATION MODE -- MECHANISMS OF FUEL DEPOSITION -- DAILY RATES OF WEIGHT GAIN -- EXAMPLES OF CHANGES IN BODY COMPOSITION -- FAT CHICKS -- CONCLUDING REMARKS -- SUMMARY -- APPENDIX 5.1 CALCULATION OF FLIGHT RANGES -- Chapter 6 Incredible journeys -- SEA-CROSSINGS -- DESERT CROSSINGS -- HIGH MOUNTAINS -- OTHER BARRIERS -- CONCLUDING REMARKS -- SUMMARY -- POSTSCRIPT -- Chapter 7 Raptors and other soaring birds -- USE OF THERMALS AND OTHER UPDRAFTS -- EXTENSION OF MIGRATION AS A CONSEQUENCE OF SOARING -- SOCIAL FACTORS -- COUNTS IN ISRAEL -- NUMBERS ENTERING AFRICA -- MIGRATION AT OTHER SITES -- ENERGY RESERVES -- SUMMARY -- Chapter 8 Speed and duration of journeys -- THEORETICAL BASIS -- EMPIRICAL ESTIMATES -- PROPORTION OF MIGRATION SPENT IN FLIGHT -- APPARENT NON-STOP SEA-CROSSINGS -- PENGUINS -- MIGRATION WITHIN THE ANNUAL CYCLE -- CONCLUDING REMARKS -- SUMMARY -- Chapter 9 Finding the way -- COMPASS ORIENTATION AND BI-COORDINATE NAVIGATION -- CUES USED IN DIRECTION FINDING -- SOCIAL FACTORS -- LOXODROMES AND ORTHODROMES -- CONCLUDING REMARKS -- SUMMARY -- Chapter 10 Vagrancy -- PROBABILITY OF ARRIVAL -- LONG-DISTANCE DISPERSAL -- EFFECT OF POPULATION SIZE -- DRIFT BY WIND -- OVERSHOOTING -- DEVIANT DIRECTIONAL TENDENCIES -- MIRROR-IMAGE MIGRATION -- REVERSED-DIRECTION MIGRATION -- NEW ROUTES AND RANGE EXPANSION -- HUMAN-ASSISTED VAGRANCY -- EVIDENCE FROM RINGING -- CONCLUDING REMARKS -- SUMMARY -- PART TWO: THE TIMING AND CONTROL OF MIGRATION -- Chapter 11 Annual cycles -- VARIATIONS IN ANNUAL CYCLES -- INTERNAL TIME KEEPING -- FLEXIBLE CYCLES -- CONCLUDING REMARKS -- SUMMARY -- Chapter 12 Control mechanisms -- OBLIGATE AND FACULTATIVE MODES -- MIGRATION TIMING, DISTANCES AND DIRECTIONS -- AUTUMN MIGRATION -- SPRING MIGRATION -- RELATIONSHIP BETWEEN SPRING ARRIVAL, BREEDING AND AUTUMN