fossil bird family described known upper jaw bones found middle pleistocene layer cave palestine resemble house spanish differ having deep groove instead crest lower israeli described species considered close ancestor house spanish molecular data point earlier origin modern species occurring climate described similar palestine today considered wild ancestor modern association humans presence cave indicate associated humans taxonomy known material consists bones collections bones described israeli reviewed south african zoologist years later identify type specimen paper said editor contain troublesome contradictions french reported fossil cave southeastern france identified house found bones distinguished house argued house related species undergone considerable morphological changes adapting relationship humans longer narrower wrote intermediate house spanish suggested primitive relative ancestor house dependent humans paper suggested period house separated years ago found fossil species closest living house palestine great proposed house evolved africa account evolution house american considered house evolved beginning agriculture dating fossils assigned common ancestor house spanish recent work british considered roughly contemporary common ancestor house spanish present day species evolved later drawing recent studies molecular data stated biology species long evolutionary history possibly occurring early description bones known generally relatively easy determine birds found closely resembled house spanish distinct central longitudinal groove raised margins running lower ventral contrast house spanish narrow crest position prominent house great cape southern grey headed crest poorly developed shallow groove nearly developed groove maximum width millimetres length tip nasal bones millimetres distribution according paper found middle pleistocene probably years old layer cave near wrote years old layer contained remains bird species including described precursor dead sea tentatively allied house layer cave contained fossils described house spanish interpretations differed suggested deposits mediterranean climate today considered wild anderson considered occurrence fossils indicates species lived association early humans
Passer predomesticus