7 ms·
Evidence that birds sleep in mid-flight http://www.nature.com/articles/ncomms12468 http://www.nature.com/articles/ncomms12468
by imjustsaying 10y ago
Evidence that birds sleep in mid-flight
http://www.nature.com/articles/ncomms12468 http://www.nature.com/articles/ncomms12468
- Insanity 10y agoThank you for this interesting paper!