Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTHE ORIGIN OF TOOL-USING BY EGYPTIAN VULTURES NEOPHRON PERCNOPTERUS.AuthorsAlcock., JohnPublicationIbis, 1970, Vol 112, Issue 4, p542ISSN0019-1019Publication typeArticleDOI10.1111/j.1474-919X.1970.tb00825.x