Dodo birds more clever than we thought

The Mauritian dodo, a global symbol of human-caused extinction and one of the world's largest pigeons, may not have deserved its reputation as a silly simpleton and may have been the only member of its group to live in the dark. The science-journalism coverage adds useful context, while the strongest evidential footing still comes from the underlying data, papers or institutional documentation.

It matters because biology becomes more informative when an observed effect begins to look like a mechanism rather than an isolated pattern. The gap between identifying a correlation in biological data and understanding the causal chain that produces it is routinely underestimated, and the history of biomedical research is populated with associations that collapsed when the mechanism was sought and not found. A result that comes with a proposed mechanism, even a partial one, is more useful than a purely descriptive finding because it generates testable predictions that can narrow the hypothesis space. This article has been reviewed according to Science X's editorial process and policies. Otherwise, very little was known about the dodo's habits and behavior, so we set out to change that.

We see similarly small optic lobes in many nocturnal birds, like the elusive Australian night parrot or the New Zealand kakapo, indicating they relied little on sight and were. Student Aubrey Keirnan and researchers from the Smithsonian Institution, National Museums Scotland and University of Copenhagen, used computed tomography (CT) to scan the skulls.

Senior author Iwaniuk, from the University of Lethbridge, says, "There is no evidence that the dodo was any less intelligent than its relatives, and we know that pigeons are. The dodo has the most unusual skull with a strangely domed head, but the part of its brain that determines cognition was exactly as big as what one would expect for a bird of its.

At nighttime, it may have been able to escape competition for food sources with other species, such as the island's many turtles. The research is published in the Zoological Journal of the Linnean Society.

The broader interest lies in whether the reported effect points toward a real mechanism and not merely a reproducible but unexplained association. Biology has learned from decades of biomarker failures that correlation, even robust correlation, is not a substitute for mechanistic understanding. A pathway that can be traced from molecular interaction to cellular response to organismal phenotype provides a far stronger foundation for intervention than a statistical association discovered in a large dataset, however well the statistics are done.

Sara Citron et al, The sensory world of the Dodo and Solitaire revealed by endocast and skull anatomy, Zoological Journal of the Linnean Society (2026). Academic. oup. com/zoolinnean/ar. 07/4/zlag123/8751003 Journal information: Zoological Journal of the Linnean Society MA in English, copy editor since 2021 with experience in.

Because this item comes through Phys. org Biology as science journalism, it should be treated as contextual reporting rather than primary evidence. Good science reporting can identify why a result matters, connect it to the wider literature and make technical work readable, but the decisive evidence remains in the original paper, dataset, mission release or technical record. That distinction is especially important when a story is later repeated by aggregators, because repetition increases visibility, not evidential strength.

The next step is to test whether the effect repeats across different methods, cell types, model organisms and experimental conditions. Reproducibility is the first test, but mechanistic dissection is the second, and a result that passes both has a substantially better chance of translating into something clinically or biotechnologically useful. The path from a laboratory finding to an applied outcome typically takes a decade or more, and most findings do not complete it; the current result sits at the beginning of that process.

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