 Flying insects that <unk> common starlings include the <unk> @-@ fly <unk> <unk> and the <unk> fly <unk> <unk> . The latter species breaks off the feathers of its host and lives on the <unk> produced by growing plumage . <unk> of the moth <unk> <unk> are nest scavengers , which feed on animal material such as <unk> or dead nestlings . <unk> blood parasites of the genus <unk> have been found in common starlings , but a better known pest is the brilliant scarlet nematode <unk> <unk> . This worm moves from the lungs to the <unk> and may cause its host to <unk> . In Britain , the <unk> and the common starling are the most infested wild birds . Other recorded internal parasites include the spiny @-@ headed worm <unk> <unk> . 
