To scientists, long distance migration still holds many mysteries, one of which is: Where did migration begin and how did it evolve? This question has long been a debated topic among scientists, but thanks to new research, we may have an answer for one of the largest groups of migratory birds.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/l...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/l...