This page has been validated.
BRITISH WARBLERS
leaves of the different species of Salix will reveal these insects clustering in great numbers, and will at once explain what, at a distance, looks like the aimless pecking at nothing of these birds.
When inhabiting swamps where the Arundo phragmitis grows, they seem to find, early in the season, a quantity of food amongst the fluffy seeds at the top of these reeds.
14
