Bird Magnetic Navigation
feb. 2025 · Publifye AS
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Bird Magnetic Navigation explores the remarkable ability of birds to navigate using Earth's magnetic field. This ""sixth sense"" allows birds, some weighing less than a paperclip, to undertake astonishing migrations across vast distances, returning to the same breeding grounds annually. Recent technological advancements have enabled scientists to delve deeper into the sensory systems and neural pathways involved, revealing that magnetoreception may involve specialized photoreceptors in the eyes and potentially iron-based receptors, challenging earlier assumptions about instinctual behavior.
The book examines how birds integrate magnetic information with other cues like the sun and stars to make navigational decisions. It progresses from foundational concepts of Earth's magnetic field to cutting-edge research, presenting anatomical, physiological, and behavioral evidence. This comprehensive overview emphasizes the flexibility of avian magnetic navigation, influenced by both genetics and environmental factors, which allows birds to adapt migratory routes to changing conditions.
The book adopts a balanced approach and presents scientific evidence in an accessible manner, making it valuable for students, researchers, and anyone interested in animal behavior, ecology, and sensory biology.
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