 Common starlings may contract avian tuberculosis , avian malaria and retrovirus @-@ induced lymphomas . Captive starlings often accumulate excess iron in the liver , a condition that can be prevented by adding black tea @-@ leaves to the food . 
 Common starlings may contract avian tuberculosis , avian malaria and retrovirus @-@ induced lymphomas . Captive starlings often accumulate excess iron in the liver , a condition <a href='null_relcl' title='1'><mark>that</mark></a>can be prevented by adding black tea @-@ <a href='uninflect' title='2'><mark>leaves</mark></a> to the food . 
Common starlings may contract avian tuberculosis , avian malaria and retrovirus @-@ induced lymphomas . Captive starlings often accumulate excess iron in da liver , a condition can b prevented by adding black tea @-@ leave to tdafood .