▁been ▁used ▁to ▁argue ▁that ▁it ▁was ▁more ▁likely ▁that ▁the ▁long ▁neck ▁was ▁usually ▁held ▁hor izont ally ▁to ▁enable ▁them ▁to ▁feed ▁on ▁plants ▁over ▁a ▁very ▁wide ▁area ▁without ▁need ing ▁to ▁move ▁their ▁bodies — a ▁potentially ▁large ▁saving ▁in ▁energy ▁for ▁ 3 0 ▁to ▁ 4 0 ▁ton ▁animals . ▁In ▁support ▁of ▁this , ▁reconst ru ctions ▁of ▁the ▁ne cks ▁of ▁Di pl od ocus ▁and ▁A pat osa urus ▁show ▁that ▁they ▁are ▁basically ▁straight ▁with ▁a ▁gentle ▁decl ine ▁orient ating ▁their ▁heads ▁and ▁ne cks ▁in ▁a ▁" neut ral , ▁und ef lect ed ▁post ure ". ▁ ▁However , ▁research ▁on ▁living ▁animals ▁has ▁argued ▁that ▁most ▁living ▁t et rap ods ▁habit ually ▁raise ▁the ▁base ▁of ▁their ▁ne cks ▁when ▁alert . ▁In ference ▁from ▁b ones ▁about ▁" neut ral ▁post ures ", ▁which ▁suggest ▁a ▁more ▁horizontal ▁position , ▁may ▁be ▁un re li able . M useum s ▁and ▁TV ▁have ▁din osa urs ' ▁post ure ▁all ▁wrong , ▁claim ▁scient ists . ▁Guardian , ▁ 2 7 ▁May ▁ 2 0 0 9 ▁Research ▁published ▁in ▁ 2 0 1 3 ▁that ▁studied ▁o str ich ▁ne cks , ▁however , ▁took ▁the ▁estimated ▁flex ibility ▁of ▁sau rop od ▁ne cks ▁into ▁doubt . ▁Studies ▁by ▁Matthew ▁Co ble y ▁et ▁al ▁revealed , ▁using ▁computer ▁model ing , ▁that ▁mus cle ▁attach ments ▁and ▁cart il age ▁present ▁in ▁the ▁neck