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the claim

Penguins are classified as birds despite being unable to fly.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
8 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that penguins are classified as birds despite being unable to fly?

Yes. A reference work states penguins constitute a distinct order of birds and, like the ratites, cannot fly, and other sources treat penguins as birds while noting their flightlessness.

Verdict: SUPPORTED · 8 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 8
Penguin - Wikipedia
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Penguin - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Penguin

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More for · 7
Encyclopedia of Ocean Sciences
2019
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Encyclopedia of Ocean Sciences. (2019). play.google.com. https://play.google.com/store/books/details?id=z2-SDwAAQBAJ&source=gbs_api

Words Matter
2020
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McConnell-Ginet, S. (2020). Words Matter. books.google.com. http://books.google.com/books?id=mZ3wDwAAQBAJ&dq=Penguins+are+classified+as+birds+despite+being+unable+to+fly.&hl=&as_pt=BOOKS&source=gbs_api

Determining the Position of Storks on the Phylogenetic Tree of Waterbirds by Retroposon Insertion Analysis
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Determining the Position of Storks on the Phylogenetic Tree of Waterbirds by Retroposon Insertion Analysis. (n.d.). cir.nii.ac.jp. https://doi.org/10.1093/gbe/evv213

How king penguins advertise their sexual maturity
2021
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How king penguins advertise their sexual maturity. (2021). hal.science. https://doi.org/10.1016/j.anbehav.2021.05.015

Mixed Feelings
2013
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Ledwig, M. (2013). Mixed Feelings. play.google.com. https://play.google.com/store/books/details?id=d262vTYlU2EC&source=gbs_api

Data from: High flight costs, but low dive costs, in auks support the biomechanical hypothesis for flightlessness in penguins
2013
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H., E. K., E., R. R., & J., G. A. (2013). Data from: High flight costs, but low dive costs, in auks support the biomechanical hypothesis for flightlessness in penguins. zenodo.org. https://doi.org/10.5061/dryad.23td2

Faecal microbiota changes associated with the moult fast in chinstrap and gentoo penguins
2019
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Lee, W. Y., Cho, H., Kim, M., Tripathi, B. M., Jung, J., & Chung, H. (2019). Faecal microbiota changes associated with the moult fast in chinstrap and gentoo penguins. doi.org. https://doi.org/10.1371/journal.pone.0216565

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