Some animals are actually not shrinking and getting bigger as the climate warms, according to some research. One theory for why they could be getting bigger is that there's either more food available because there's longer summer or spring periods where food grows. Or it could even be just because they are spending less energy trying to keep themselves warm in an ambient comfortable temperature outside a case.
A recent study of tens of thousands of birds has shown that birds are growing smaller over time. It could be due to climate change, and if so, we ought to consider: How else might humans be altering the literal shape of life on Earth — now and in the future?
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