ScienceDaily reported on how Garden birds in Britain such as the Blue Tit may be able to help save Horse Chestnut / Aesculus hippocastanum trees. The trees are damaged by tiny alien species of leaf-mining moth. Birds, such as the Blue Tits eat the caterpillars of the moths.
“Experts at the NERC Centre for Ecology & Hydrology and the University of Hull are asking for the public’s help to find out how many moth caterpillars are eaten by birds, such as blue tits. They are asking volunteers to check leaves from a horse chestnut tree for the distinctive damage caused by the birds to the leaf mines and report it through the Conker Tree Science website.”
Read more at Science Daily Can Blue Tits Can Save Our Conker Trees?