DescriptionColumba arquatrix, by kleilek, k, Pretoria.jpg
English: African olive pigeons at a clay lick in Lynnwood Glen, in suburban Pretoria, South Africa. Up to 10 birds congregate at a time, with both sexes and various age groups present. The habit may well be related to consumption of poisonous Melia azedarach or Solanum seeds.
Reference: Downs, C.T., 2006. Geophagy in the African olive pigeon Columba arquatrix. Ostrich-Journal of African Ornithology, 77(1-2), pp.40-44.
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{{Information |Description ={{en|1=African olive pigeons at a clay lick in Lynnwood Glen, in suburban Pretoria, South Africa. Up to 10 birds congregate at a time, with both sexes and various age groups present. The habit may well be related to consu...