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Sunbird drinking nectar from typical bird-pollinated flower
As nectar is a primary food source for sunbirds, they are important pollinators in African ecosystems. Sunbird-pollinated flowers are typically long, tubular, and red-to-orange in colour, showing convergent evolution with many hummingbird-pollinated flowers in the Americas.A key difference is that sunbirds cannot hover, so sunbird-pollinated flowers and inflorescences are typically sturdier than hummingbird-pollinated flowers, with an appropriate landing spot from which the bird can feed.Sunbirds are critical pollinators for many iconic African plants, including proteas,aloes,Erica,Erythrina coral trees,and bird-of-paradise flowers. Specialization on sunbirds vs other pollinators is thought to have contributed to plant speciation,
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