1887

n African Zoology - Interference competition between sunbirds and carpenter bees for the nectar of

Volume 48, Issue 2
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X
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Abstract

Interference competition for nectar sources has been repeatedly described between hummingbirds and various insects, but rarely recorded in other nectarivorous birds. We observed aggressive behaviour by African sunbirds ( and ) defending the nectar plant against carpenter bees ( and ) in the Bamenda Highlands, Cameroon. During 200 hours of observation, we recorded 38 cases of the sunbirds attacking carpenter bees; all these intrusions occurred only in the flower-richest patches of the plant. We predict that similar aggressive interactions will occur between other Old World nectarivorous birds and insects. Such interference competition between distantly related taxa could have an important impact on the evolution of pollination systems.

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/content/afzoo/48/2/EJC145781
2013-10-01
2019-10-19

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