Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"Nectar Robbing"”.
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Radiation in the genus Amazilia: A comparative approach to understanding the diversification of hummingbirds.
… and hypothesized that these structures aid in nectar-robbing of long-tubed corollas. I test this hypothesis and found that the association between nectar-robbing and bill serrations evolved several times independently within the family (Chapter 3). While the analysis suggests a strong …
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Crypsis in non-flying mammal pollinated Proteaceae: novel adaptations and evidence of nectarivorous bird avoidance
… crypsis: hidden flowers are more difficult for nectarivorous birds to access, or hidden flowers provide greater cover for small mammal pollinators from aerial predators. Using remote triggered cameras, P. amplexicaulis and P. humiflora inflorescences were observed over the 2017 flowering period, …
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Floral evolution of long-tubed Erica species
… Chapter 2 focused on the role of stickiness for nectar robbers. I experimentally added stickiness to Erica flowers of one species and further compared stickiness to nectar robbing across several communities. Stickiness appears to reduce damage due to nectar robbing within and between species. …