News for hackers. Stuff that matters.

A comment on Birds had to relearn flight after meteor wiped out dinosaurs. Parent comment

Re:Birds had to relearn flight after meteor wiped out dinosaurs by subleq on Friday May 25, 2018 @04:37PM (#17157728)
What are the 4 times that flight has evolved?
[ Parent | on HN ]
Re:Birds had to relearn flight after meteor wiped out dinosaurs by VladimirGolovin on Friday May 25, 2018 @04:58PM (#17157926)
Insects, pterosaurs, birds, and bats. https://en.wikipedia.org/wiki/Flying_and_gliding_animals

Here's a good picture that highlights the differences: https://en.wikipedia.org/wiki/File:Homology.jpg

[ Parent | on HN ]
Re:Birds had to relearn flight after meteor wiped out dinosaurs by pfdietz on Saturday May 26, 2018 @09:56AM (#17162033)
That's powered flight, btw. Gliding evolves much more easily.
[ Parent | on HN ]