Swans reserve aggression for each other
University of Exeter,
The study examined three swan species – mute, whooper and Bewick's – and found all were most frequently aggressive to their own…
The study examined three swan species – mute, whooper and Bewick's – and found all were most frequently aggressive to their own…
Exeteri Ülikooli teadlaste värske uuring näitab, et luiged kohtlevad oma liigikaaslasi agressiivsemalt kui teised linnud.
Swans display more aggression to fellow swans than other birds, new research shows.
Swans display more aggression to fellow swans than other birds, new research shows.