In the bleak...!

The Robins are constantly at each others throats down in the 'wood'.
There's at least four each time I go to feed them but jealousy abounds (or territorial disputes)and, as a consequence, they spend a great deal of their time on the lookout for rivals.
This one had been within three feet of me a few seconds earlier but spying a rival he took up this stance in a nearby tree.