ScienceDesk, 
Scientists solve giant hummingbird mystery — with the help of tiny backpacks.
CNN reports on how researchers discovered a new species (the largest hummingbird) and the longest hummingbird migration journey.
ScienceDesk, Scientists solve giant hummingbird mystery — with the help of tiny backpacks.
CNN reports on how researchers discovered a new species (the largest hummingbird) and the longest hummingbird migration journey.
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