by Jeff Ollerton & Clive Nuttman
 |
| Male Eastern Olive
Sunbird in its territory within a patch of cucurbit flowers. Photo by Anna Rausch |
Many different types
of animals show aggression to one another when defending territories and
resources such as food or nesting sites. During field work in rainforest in the
Eastern Arc Mountains of Tanzania we observed male Eastern Olive Sunbirds
defending their territories against large carpenter bees. These territories are
centred on good quality nectar sources, in this case the flowers of a climbing
member of the cucumber and squash family (Cucurbitaceae).
Read the whole summary in: English.
Read the scientific publication in JPE .
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