▁few ▁weeks ▁at ▁the ▁latest . ▁The ▁most ▁exact ▁age ▁is ▁given ▁by ▁the ▁size ▁of ▁the ▁y olk ▁sac , ▁which ▁indicates ▁a ▁probable ▁age ▁of ▁three ▁days , ▁with ▁an ▁upper ▁limit ▁of ▁a ▁week . ▁Despite ▁its ▁very ▁young ▁age , ▁the ▁h atch ling ▁was ▁able ▁to ▁walk , ▁as ▁is ▁shown ▁by ▁the ▁complete ▁o ss ification ▁of ▁the ▁il ium . ▁However , ▁this ▁does ▁not ▁imply ▁Sci p iony x ▁was ▁pre co cial ▁as ▁even ▁with ▁al tr icial ▁birds ▁this ▁pel vis ▁b one ▁fully ▁o ss ifies ▁within ▁a ▁few ▁days ▁after ▁h atch ing . ▁ ▁References ▁ ▁External ▁links ▁ ▁C iro , ▁the ▁Italian ▁din osa ur ▁from ▁B ene vent o ▁( S ann io ) ▁" B aby ▁din osa ur ▁from ▁Italy ▁with ▁g uts ▁preserved " ▁File : ▁Marco ▁Sign ore ▁and ▁Crist iano ▁dal ▁S asso ▁showing ▁up ▁the ▁foss il ▁sl ab ▁of ▁Sci p iony x . ▁. ▁ ▁Category : E ar ly ▁C ret ace ous ▁din osa urs ▁of ▁Europe ▁Category : Com ps ogn ath ids ▁Category : F oss il ▁tax a ▁described ▁in ▁ 1 9 9 8 ▁Category : F oss ils ▁of ▁Italy <0x0A> </s> ▁The ▁pale - bel lied ▁t yr ant - man ak in ▁( Ne op el ma ▁p all esc ens ), ▁or ▁pale - bel lied ▁ne op el ma , ▁is ▁a ▁species ▁of ▁bird ▁in ▁the ▁family