This is Yew Tree Tarn. Many years ago, an artist friend painted a watercolour of this scene for my Mum. That painting now hangs in my living room.
At first glance, the mallard appears to have mastered the skill of walking on water! By the way he has sought out a standing rock just below the surface, I'm guessing the water was a tad chilly!
When we first arrived, these guys were right across the other side. What makes you suspect that they equate humans with food? They lost no time in steaming over to our bank.