Small birds prefer flying in company

Until now, scientists had observed that some large birds are sociable among each other. However, a new study has confirmed that this unique characteristic can also be seen among smaller birds such as the Eurasian siskin, a bird which is able to form bonds that last for a number of years as well as travel long distances in the company of these birds. This intimacy may favor reproduction in addition to facilitating the process of adjusting to a new place.