Fieldfare digging for worms.

It is a joy to see Fieldfares feeding in the rich earth around an apple tree.  It is humus rich here because grass clippings are piled up to suppress weeds.  They rot down to rich humus, which is great for worms and birds digging for them.
Please see http://www.peterlovetttalks.co.uk/page19.html  for my talk The evolution of a formal garden to a nature reserve.