A Sparrowhawk circled high over the Serpentine and was observed by Takaki Nemoto, who took this fine picture.
There were other predators around, and the Egyptian Geese at Bluebird Boats are down to five young. But they were following the instruction to look both ways.
One of the young rabbits near the Henry Moore statue was grazing peacefully under the eyes of four Grey Herons wanting it for lunch.
On the other side of the enclosure, a worm met its end in the beak of a Song Thrush.
A Kingfisher was looking for fish on the usual post on the Long Water.
A Lesser Black-Backed Gull gave the camera a menacing pale-eyed look as it called to its mate.
The Black Swan and girlfriend number one came over to be fed by some girls. The girlfriend bit one of them painfully on the hand.
Some Tufted Ducks were prettily lit on the Long Water.
And so was a Blue Tit in the yew tree near Peter Pan.
A Little Owl looked out of the oak tree and puffed itself up to emit a loud call.
I found the second box that had been put up for the Tawny Owls, in a lime tree a few yards south of the original nest tree. It is only 20 feet above the ground, much too low. The first box is 30 feet up, which is a bit too low as well.