Territoriality and changes in resource use by sunbirds at Leonotis leonurus (Labiatae)

  title={Territoriality and changes in resource use by sunbirds at Leonotis leonurus (Labiatae)},
  author={S. K. Frost and Philip H. Frost},
Leonotis leonurus was studied with the aim of characterising nectar quality and quantity, and of monitoring the sunbirds' response to the resource. The flowers produced high quality nectar in low quantities. Nectar quality remained constant during the day and averaged 23.4% sucrose equivalents (an energy content of 3.8j/μl). Nectar production was highest during the morning when flow rates reached a peak of 3.3 μl/h. L. leonurus was visited by four species of sunbirds. In 1977 there were 7.8… CONTINUE READING
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