Bumblebees in Spring

It is finally starting to reliably warm up in spring, although we still have a few cold evenings. Bumblebees are one of the first pollinators out in the spring, and the fuzzy adorableness of their bodies does help retain heat.

With the help of a thermal camera, David Attenborough shows us some other clever tricks that let these “cold-blooded” insects warm up and fly on cold days.


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