Behavioural correlates of drinking speed in two West African sunbird species
2020
Janečková, Petra | Sejfová, Zuzana | Janeček, Štěpán | Chmel, Kryštof | Chmelová, Eliška | Ewome, Francis Luma
The effect of perching versus hovering on the drinking speed of the Cameroon Sunbird Cyanomitra oritis and the Northern Double-collared Sunbird Cinnyris reichenowi was investigated in a cage experiment. Our results support the hypothesis that the shorter handling times on flowers during hovering compared to perching are largely caused by an increase in drinking speed.
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