Who will you choose?

What are the three mergansers in the above photo up to, and why does the one on the right look as though he’s about to charge at the others? They’re engaged in a pair-bonding display, a competition of sorts.¬†They’re trying to win the praise of a female merganser off to the side (just out of the picture). There’s a lot of head-shaking and strutting about during these pair-bond sessions. The birds shake their heads from side to side, rear backRead more