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with open ( '/path/to/file' , 'wb' ) as f : feather . write_feather ( df , f ) with open ( '/path/to/file' , 'rb' ) as f : read_df = feather . read_feather ( f ) For this reason, when thinking about spiritual feather meaning in religion think about whether or not birds are common around where you live; crows bring news of either creativity or tragedy while owls often show up after times of self-reflection because it can be helpful to look within before you seek answers on the outside. Celtic culture

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i data-feather=" circle" > < script > feather . replace ( { class: 'foo bar' , 'stroke-width': 1 } ) ; Members of Scotland's Clan Campbell are known to wear feathers on their bonnets to signify authority within the clan. Clan chiefs wear three, chieftains wear two and an armiger wears one. Any member of the clan who does not meet the criteria is not authorized to wear feathers as part of traditional garb and doing so is considered presumptuous. [62] Thorough understanding of biological structures like feathers requires examination from many angles. We now recognize that how feathers function is intricately connected to how they’re structured, and how they grow is closely linked to how they evolved.Bowen, Gabriel J; Wassenaar, Leonard I; Hobson, Keith A (2005). "Global application of stable hydrogen and oxygen isotopes to wildlife forensics". Oecologia. 143 (3): 337–348. Bibcode: 2005Oecol.143..337B. doi: 10.1007/s00442-004-1813-y. PMID 15726429. S2CID 1762342. Badyaev, A. V.; Hill, G. E. (2000). "Evolution of sexual dichromatism: contribution of carotenoid versus melanin-based colouration". Biological Journal of the Linnean Society. 69 (2): 153–172. doi: 10.1111/j.1095-8312.2000.tb01196.x. S2CID 201965078.

Feather File Format — Apache Arrow v13.0.0 Feather File Format — Apache Arrow v13.0.0

Some feathers are so highly modified for display that they almost don’t look like feathers at all. For example, the iridescent spiral from a King Bird-of-Paradise ( Cicinnurus regius) tail functions as an ornament in the male’s courtship display. Structurally, the feather is bizarre, with a bare rachis rachis RAY-kissthe stiff central shaft of a feather from which barbs branch that ends in a tight spiral of barbs barbone of the main branches off the central shaft of a feather and barbules barbule barb-YOOLone of the secondary branches off a feather barb arranged only on one side of the rachis to form an eye-catching brilliant medallion.

The feather is a recurring motif in many cultures around the world including Native American tribes like the Hopi who believe that feathers represent their link between heaven and earth; for some Pacific Islanders, they represent rainbows connecting the sky-world with our Earth-world; while others attribute them as symbols of love, peace or hope. Cincotta, A., Nicolaï, M., Campos, H.B.N. et al. Pterosaur melanosomes support signalling functions for early feathers. Nature 604, 684–688 (2022). https://doi.org/10.1038/s41586-022-04622-3

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Feathers fall into one of seven broad categories based on their structure and location on the bird’s body. More recently, rooster plumage has become a popular trend as a hairstyle accessory, with feathers formerly used as fishing lures now being used to provide color and style to hair. [66]Slater, Tiffany S; Edwards, Nicholas P; Webb, Samuel M; Zhang, Fucheng; McNamara, Maria E (2023). "Preservation of corneous β-proteins in Mesozoic feathers". Nature Ecology & Evolution. 7 (10): 1706–1713. doi: 10.1038/s41559-023-02177-8. PMID 37735563. S2CID 262125827.