The researchers, alongside citizen science projects, have been trying to decode the butterfly travel map. Their interdisciplinary ... some took a long migration trip south from Scandinavia ...
Hummingbirds are on the move back to the United States after spending the winter in Mexico and Central America. Here's how ...
In the Yukon, Porcupine caribou travel 3,000 miles. This is the longest migration by land of any mammal on Earth. Monarch butterflies fly about 3,000 miles each year. Some will travel all the way ...
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