Birds may have migration buddies

Billions of birds migrate every year, crossing continents, deserts, and oceans to find food, warmer weather, and places to nest. Now a study has found that songbirds form connections when they are migrating, even if their travel companions are not the same species. The study monitored the movements of 50 types of songbirds over 23 years. Researchers caught the birds in nets and put tiny leg bands on them to track their movements. Three types of songbird—yellow-rumped warblers, ruby-crowned kinglets, and white-throated sparrows— got caught in the same nets at the same time every year. This showed that the birds were repeating patterns of behavior. Two birds of the same species—semipalmated sandpipers—were also spotted together. Two years later, they were seen together again in a different location hundreds of miles…

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The Week Junior US (Digital) - 1 Issue, Issue 237

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