004740000a2200169000450024500880000065000140008865000090010265000190011165000240013065000150015465100130016965100140018265100120019604100110020810000260021977300590024510aInsular biogeografia in continental regionssI. The northern Andes of South America14aPáramos14aAves14aBiogeografía14aRiqueza de especies14aEndemismos 4pColombia 4pVenezuela 4pEcuador0 aIngles1 aVuilleumier, Francois1 tAmerican naturalistmJul-Agosh938q373-388d1970g104