Why do birds migrate sooooo far?
![Why do birds migrate sooooo far? - Sketchplanations](https://images.prismic.io/sketchplanations/02834595-a560-420d-9678-1556ffcbef68_64522485599.jpg?auto=compress%2Cformat&fit=max&w=3840&q=50)
tl;dr - ice ages.
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tl;dr - ice ages.
You’re welcome to use and share this image and text for non-commercial purposes with attribution. Go wild!
See licence