THE IBIS

• 1 January 1969
• journal article
• Published by Wiley in Ibis
• Vol. 111  (1) , 1-10
• https://doi.org/10.1111/j.1474-919x.1969.tb01598.x

Abstract

Keywords

• SPRING
• IBIS
• BIRDS
• NORTH AFRICA
• MIGRANTS
• ARRIVAL TIMES
• OASIS
• DESERT
• SPELL