[Tweeters] How ducks, geese and swans see the world—and why this puts them at risk in a changing environment. “According to our latest research, the answer lies in how they see the world. We found that looking directly ahead is simply not that important to many species of duck, geese and swans.”

Dan Reiff dan.owl.reiff at gmail.com
Mon Sep 25 19:18:06 PDT 2023

Previous message: [Tweeters] “On his first voyage to the Caribbean in 1492, Christopher Columbus noted that flocks of parrots were so abundant they "obscured the sun." Today, more than half of parrot species in the Caribbean have gone extinct, from large particolored macaws to a parrotlet the size of a sparrow.” Caribbean parrots thought to be endemic are actually relicts of millennial-scale extinction | ScienceDaily
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https://phys.org/news/2023-09-ducks-geese-swans-worldand-environment.html

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