Ancient Birds Grew Fat and Lazy
source: http://news.discovery.com/animals/ancient-birds-fat-lazy.html
-
-
- Maryleaf
- added this
The flighted ancestor of birds such as the Australian emu and cassowary became too heavy to fly after the extinction of dinosaurs made it safer to forage for food, suggests a new study.
LINK : http://news.discovery.com/animals/ancient-birds-fat-lazy.html
LINK : http://news.discovery.com/animals/ancient-birds-fat-lazy.html
