What is Eastern moa?
{{speciesbox |fossil_range = [[Pleistocene]]-[[Holocene]] |name = Eastern moa | status = EX | image = Emeus crassus 5435.JPG | image_caption = Skeleton in Musee des Confluences, Lyon |genus = Emeus |parent_authority = [[Ludwig Reichenbach|Reichenbach]], 1852 |species = crassus |authority = ([[Richard Owen|Owen]], 1846) Reichenbach 1853 non Parker 1895<ref>Brands, S. (2008)</ref><ref>{{cite web |author=Checklist Committee [[Ornithological Society of New Zealand]] |date=2010 |title=Checklist-of-Birds of New Zealand, Norfolk and Macquarie Islands and the Ross Dependency Antarctica |url=http://nzbirdsonline.org.nz/sites/all/files/checklist/Checklist-of-Birds.pdf |publisher=Te Papa Press |volume= |issue= |pages= |access-date=4 January 2016 |archive-date=16 June 2013 |archive-url=https://web.archive.org/web/20130616090545/http://nzbirdsonline.org.nz/sites/all/files/checklist/Checklist-of-Birds.pdf |url-status=dead }}</ref> |synonyms ={{collapsible list|bullets = true|title=<small>List</small> |''Dinornis crassus'' <small>[[Richard Owen|Owen]], 1846</small> |''Syornis crassus'' <small>(Owen 1846) Hutton 1891</small> |''Euryapteryx crassus'' <small>(Owen 1846) Hutton 1896 non Benham 1910</small> |''Dinornis casuarinus'' <small>[[Richard Owen|Owen]], 1846</small> |''Dinornis huttonii'' <small>[[Richard Owen|Owen]], 1846 (male)</small> |''Emeus huttonii'' <small>(Owen 1879) [[Walter Oliver|Oliver]], 1930</small> |''Megalapteryx huttoni'' <small>(Owen 1879) Rothschild 1907</small> |''Dinornis major'' <small>(Hutton, 1875)</small> |''Dinornis rheides'' <small>(Owen, 1851)</small> |''Cela rheides'' <small>(Owen 1850) Rothschild 1907</small> |''Dinornis casuarinus'' <small>Oliver 1846</small> |''Emeus casuarinus'' <small>([[Walter Oliver|Oliver]], 1930)</small> |''Syornis casuarinus'' <small>(Owen 1846) Reichenbach 1850</small> |''Anomalopteryx casuarina'' <small>(Owen 1846) Lydekker 1891</small> |''Mesopteryx casuarina'' <small>(Owen 1846) Parker 1895</small> |''Meionornis casuarinus'' <small>(Owen 1846) Hutton 1896</small> |