Ceffyl: Gwahaniaeth rhwng fersiynau

Yn ddibynol ar y brid a'r amgylchedd, gall y ceffyl modern fyw i fod yn 25 neu'n 30&nbsp;mlwydd oed. Mae eithriadau prin yn byw am 40 mlynedd neu ragor.<ref>{{cite web|url=http://www.omafra.gov.on.ca/english/livestock/horses/facts/info_age.htm|title=The Age of a Horse|publisher=Government of Ontario|work=Ministry of Agriculture, Food and Rural Affairs|author=Wright, B.|date=March 29, 1999|accessdate=2009-10-21|archive-date=2010-01-20|archive-url=https://web.archive.org/web/20100120031232/http://www.omafra.gov.on.ca/english/livestock/horses/facts/info_age.htm|url-status=dead}}</ref> Cofnodwyd fod ceffyl o'r enw "''Old Billy''" yn y [[19g]] wedi byw am 62 o flynyddoedd<ref name=Ensminger46>[[#Ensminger|Ensminger]], tud. 46–50</ref> a chredir fod 'Sugar Puff' wedi byw am 56.<ref>{{cite web |url= http://www.thehorse.com/viewarticle.aspx?ID=9708|title= World's Oldest Living Pony Dies at 56|accessdate=2007-05-31 |author= Ryder, Erin |work= The Horse}}</ref>