▁Phill ips ▁( ▁ 1 ▁cap ▁war riors ) ▁ ▁References ▁ ▁Category : Wel sh ▁rugby ▁union ▁teams ▁Category : B ur ry ▁Port <0x0A> </s> ▁Bird ▁ring ing ▁or ▁bird ▁band ing ▁is ▁the ▁attachment ▁of ▁a ▁small , ▁individually ▁number ed ▁metal ▁or ▁pl astic ▁tag ▁to ▁the ▁leg ▁or ▁wing ▁of ▁a ▁wild ▁bird ▁to ▁enable ▁individual ▁identification . ▁ ▁This ▁helps ▁in ▁keeping ▁track ▁of ▁the ▁movements ▁of ▁the ▁bird ▁and ▁its ▁life ▁history . ▁It ▁is ▁common ▁to ▁take ▁measurements ▁and ▁examine ▁conditions ▁of ▁fe ather ▁molt , ▁sub cut aneous ▁fat , ▁age ▁indic ations ▁and ▁sex ▁during ▁capture ▁for ▁ring ing . ▁The ▁subsequent ▁re capt ure ▁or ▁recovery ▁of ▁the ▁bird ▁can ▁provide ▁information ▁on ▁migration , ▁lon ge vity , ▁mort ality , ▁population , ▁territorial ity , ▁feed ing ▁behavior , ▁and ▁other ▁aspects ▁that ▁are ▁studied ▁by ▁orn ith olog ists . ▁Other ▁methods ▁of ▁mark ing ▁birds ▁may ▁also ▁be ▁used ▁to ▁allow ▁for ▁field ▁based ▁identification ▁that ▁does ▁not ▁require ▁capture . ▁ ▁History ▁ ▁The ▁earliest ▁recorded ▁attempts ▁to ▁mark ▁birds ▁were ▁made ▁by ▁Roman ▁soldiers . ▁For ▁instance ▁during ▁the ▁P unic ▁Wars ▁in ▁ 2 1 8 ▁BC ▁a ▁crow ▁was ▁released ▁by ▁a ▁bes ie ged ▁g arrison ▁( which ▁suggests ▁that ▁this ▁was ▁an ▁established ▁practice ). ▁Quint us ▁Fab ius ▁P ict or ▁used ▁a ▁thread ▁on ▁the ▁bird ' s ▁leg ▁to ▁send ▁a ▁message ▁back . ▁Or ▁in ▁another ▁case ▁in