Battle Butterflies

biologists, Department of Defense, engineers, giant squids, GPS, helicopter, humanity, Illustra Media, Intelligent Design, internal clock, Life Sciences, magnetic field, Metamorphosis, Metamorphosis: The Beauty and Design of Butterflies, Mexico, military, monarch butterfly, Philip Daniel, sharks, solar compass, submarine, whales
Every year, around a billion monarchs travel from across North America to gather overwinter in a few specific locations in Mexico. Source
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For Evolution, Monarch Butterfly Migration Is a Mystery

animal behavior, antennae, biology, butterflies, Canada, circadian clock, compound eyes, Danaus plexippus, Evolution, genomes, Intelligent Design, latitude, magnetic compass, Mexico, migration, milkweed, monarch butterfly, navigation, neurobiology, Stonehenge, sun compass, United States
It typically takes up to three generations of butterflies to make the complete journey. This means that the navigation information is genetically programmed. Source
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