The native banksias, with their colorful flowering spikes, were long thought to have been pollinated by honeyeater birds and marsupials, which are rewarded with large quantities of nectar. The native banksias, with their colorful flowering spikes, were long thought to have been pollinated by honeyeater birds and marsupials, which are rewarded with large quantities of nectar. Plants & Animals Ecology Phys.org – latest science and technology news stories