3 ms·
It was likely widely believed before 1822 that birds migrate: https://news.ycombinator.com/item?id=44926306 https://news.ycombinator.com/item?id=44926306
by cubefox 1y ago
It was likely widely believed before 1822 that birds migrate:
https://news.ycombinator.com/item?id=44926306 https://news.ycombinator.com/item?id=44926306