Bird migration is the regular seasonal movement often north and south along a flyway between breeding and wintering grounds. Many species of bird migrate. Migration carries high costs in predation and mortality including from hunting by humans and is driven primarily by availability of food.
674644004 iStock Animals line icons set outline vector symbol collection linear pictogram pack isolated on white. Signs illustrationThere are only two methods of long-range transport on the Moon. The high-speed monorails link the main settlements with a fast comfortable service running on
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