Unlike humans, some birds have independently evolved to flourish on sugar-rich nectar &fruit without ill effect. In a new Science study, researchers find that these bird species share convergent evolutionary changes in key physiological traits and metabolic genes that enable their high-sugar diets.
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#SugarAdaptedBirds #MetabolicConvergence #NectarFeeding #BirdEvolution #ScienceDiscovery
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#SugarAdaptedBirds #MetabolicConvergence #NectarFeeding #BirdEvolution #ScienceDiscovery
Science
Convergent and lineage-specific genomic changes shape adaptations in sugar-consuming birds
High-sugar diets cause human metabolic diseases, yet several bird lineages convergently adapted to feeding on sugar-rich nectar or fruits. We investigated the underlying molecular mechanisms in hummingbirds, parrots, honeyeaters, and sunbirds by ...
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Scientists believe birds’ skulls hold clues to inner lives of long-extinct dinosaurs
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#Paleontology #BirdEvolution #DinosaursResearchers
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#Paleontology #BirdEvolution #DinosaursResearchers
the Guardian
Scientists believe birds’ skulls hold clues to inner lives of long-extinct dinosaurs
Early birds were like ‘T rex reincarnated’, says scientist who believes avian skulls offer insight into dinosaurs’ behaviour
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