uf ous - bel lied ▁wood pe cker ▁ranges ▁in ▁length ▁from ▁about ▁. ▁The ▁male ▁has ▁a ▁red ▁crown ▁while ▁the ▁female ▁has ▁a ▁black ▁crown , ▁spe ck led ▁with ▁white . ▁Both ▁sex es ▁have ▁a ▁black ▁mant le ▁and ▁back , ▁while ▁the ▁wings ▁are ▁black ▁bar red ▁with ▁white . ▁The ▁upper ▁tail ▁is ▁black , ▁with ▁some ▁white ▁bar ring ▁on ▁the ▁outer ▁two ▁pairs ▁of ▁fe athers . ▁The ▁face ▁is ▁white ▁and ▁the ▁thro at ▁and ▁under parts ▁are ▁a ▁uniform ▁c inn am on ▁or ▁r uf ous . ▁The ▁lower ▁bel ly ▁is ▁black ▁bar red ▁with ▁white ▁and ▁the ▁under - tail ▁converts ▁are ▁red ▁or ▁p ink . ▁The ▁ir is ▁is ▁ch est nut , ▁the ▁upper ▁mand ible ▁of ▁the ▁be ak ▁is ▁black ▁and ▁the ▁lower ▁mand ible ▁grey , ▁and ▁the ▁legs ▁are ▁grey ▁or ▁o live . ▁ ▁E col ogy ▁ ▁It ▁has ▁a ▁tongue ▁that ▁has ▁a ▁br ush y ▁tip ▁that ▁allows ▁it ▁to ▁feed ▁on ▁sap . ▁S ap ▁is ▁pre domin antly ▁sought ▁in ▁the ▁spring ▁season ▁while ▁wood - bor ing ▁and ▁b ark ▁insect s ▁are ▁taken ▁at ▁most ▁other ▁times . ▁The ▁same ▁trees ▁may ▁be ▁used ▁for ▁the ▁extra ction ▁of ▁sap ▁from ▁year ▁to ▁year . ▁ ▁Status ▁The ▁r uf ous - bel lied ▁wood pe cker ▁has ▁a ▁wide ▁range ▁but ▁is ▁generally ▁an ▁un common ▁bird . ▁It ▁has ▁disappeared ▁from ▁part ▁of