Hall, K.; Susanna S. (2005). "Do nine-primaried passerines have nine or ten primary feathers? The evolution of a concept". Journal of Ornithology. 146 (2): 121–126. doi: 10.1007/s10336-004-0070-5. S2CID 36055848. Crows could bring news of creativity while owls might show up after times of reflection on yourself but anytime these otherworldly beings appear, try to take time out from whatever you’re doing to look within before seeking answers on the outside. Feather meaning in dreams Galapagos plumology" (PDF). darwinfoundation.org. Charles Darwin Collections Database by the Charles Darwin Foundation. Archived from the original on 17 March 2016 . Retrieved 24 April 2015. 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]

Feather - Wikipedia

Eagle feathers have great cultural and spiritual value to American Indians in the US and First Nations peoples in Canada as religious objects. In the United States, the religious use of eagle and hawk feathers is governed by the eagle feather law, a federal law limiting the possession of eagle feathers to certified and enrolled members of federally recognized Native American tribes. Delhey, K.; Peters, A.; Biedermann, P. H. W.; Kempenaers, B. (2008). "Optical properties of the uropygial gland secretion: no evidence for UV cosmetics in birds". Naturwissenschaften. 95 (10): 939–46. Bibcode: 2008NW.....95..939D. doi: 10.1007/s00114-008-0406-8. PMID 18560743. Greenwold, Matthew J.; Sawyer, Roger H. (15 December 2011). "Linking the molecular evolution of avian beta (β) keratins to the evolution of feathers" (PDF). Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. 316B (8): 609–616. doi: 10.1002/jez.b.21436. PMID 21898788. Contour feathers are not uniformly distributed on the skin of the bird except in some groups such as the penguins, ratites and screamers. [29] In most birds the feathers grow from specific tracts of skin called pterylae; between the pterylae there are regions which are free of feathers called apterylae (or apteria). Filoplumes and down may arise from the apterylae. The arrangement of these feather tracts, pterylosis or pterylography, varies across bird families and has been used in the past as a means for determining the evolutionary relationships of bird families. [30] [31] Species that incubate their own eggs often lose their feathers on a region of their belly, forming a brooding patch. [32] Coloration Colors resulting from different feather pigmentsYang, Z.; Jiang, B.; McNamara, M. E.; Kearns, S. L.; Pittman, M.; Kaye, T. G.; Orr, P. J.; Xu, X.; Benton, M. J. (2020). "Reply to: No protofeathers on pterosaurs". Nature Ecology & Evolution. 4 (12): 1592–1593. doi: 10.1038/s41559-020-01309-8. PMID 32989267. S2CID 222163211. Cameron, G.; Wess, T.; Bonser, R. (2003). "Young's modulus varies with differential orientation of keratin in feathers". Journal of Structural Biology. 143 (2): 118–23. doi: 10.1016/S1047-8477(03)00142-4. PMID 12972348.

FEATHER | Định nghĩa trong Từ điển tiếng Anh Cambridge FEATHER | Định nghĩa trong Từ điển tiếng Anh Cambridge

Xu, Xing; Fucheng Zhang (2005). "A new maniraptoran dinosaur from China with long feathers on the metatarsus". Naturwissenschaften. 92 (4): 173–177. Bibcode: 2005NW.....92..173X. doi: 10.1007/s00114-004-0604-y. PMID 15685441. S2CID 789908. Their appearance means that you have been given an opportunity for growth in some way or that it is time to be brave about something; the goose symbolism also shows up before big changes so these opportunities will eventually lead to new circumstances which should be embraced as soon as possible! They may not always mean a positive change, however – if this feather appeared around someone with health problems then there could be difficult decisions ahead. Dimond, C. C.; R. J. Cabin; J. S. Brooks (2011). "Feathers, Dinosaurs, and Behavioral Cues: Defining the Visual Display Hypothesis for the Adaptive Function of Feathers in Non-Avian Theropods". BIOS. 82 (3): 58–63. doi: 10.1893/011.082.0302. S2CID 98221211. 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 McGraw, KH; Nogare, MC (2005). "Distribution of unique red feather pigments in parrots". Biology Letters. 1 (1): 38–43. doi: 10.1098/rsbl.2004.0269. PMC 1629064. PMID 17148123.This bird represents the sun, which means that its presence is associated with good fortune and positive energy – if you see this feather then there could be some new developments ahead of you soon but nothing too drastic just yet. If this feather showed up around an older person then he/she may simply want help letting go of the past and moving forward without any regrets, while younger people may be encouraged to take more responsibility for their actions. Feathers are also valuable in aiding the identification of species in forensic studies, particularly in bird strikes to aircraft. The ratios of hydrogen isotopes in feathers help in determining the geographic origins of birds. [52] Feathers may also be useful in the non-destructive sampling of pollutants. [53] Grebes are peculiar in their habit of ingesting their own feathers and feeding them to their young. Observations on their diet of fish and the frequency of feather eating suggest that ingesting feathers, particularly down from their flanks, aids in forming easily ejectable pellets. [28] Distribution Feather tracts or pterylae and their naming Prum, Richard O (1999). "Development and Evolutionary Origin of Feathers" (PDF). Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. 285 (4): 291–306. doi: 10.1002/(SICI)1097-010X(19991215)285:4<291::AID-JEZ1>3.0.CO;2-9. PMID 10578107. Archived from the original (PDF) on 9 April 2011 . Retrieved 7 July 2010.

How to identify bird feathers - Discover Wildlife

Rare Dinosaur-Era Bird Wings Found Trapped in Amber". 28 June 2016. Archived from the original on 28 June 2016 . Retrieved 28 June 2016. Feather products manufacturing in Europe has declined in the last 60 years, mainly due to competition from Asia. a b c d Prum, Richard O.; AH Brush (2002). "The evolutionary origin and diversification of feathers" (PDF). The Quarterly Review of Biology. 77 (3): 261–295. doi: 10.1086/341993. PMID 12365352. S2CID 6344830. Archived (PDF) from the original on 29 June 2011 . Retrieved 7 July 2010. For the Hopi, feathers symbolize happiness and joy. The Aztecs believed that bird’s blood was actually their gift to humanity so many priests would use feather quills as a way of showing gratitude for this gift because it was believed they could express themselves spiritually through writing. Emperor Pedro II of Brazil wearing a wide collar of orange toucan feathers around his shoulders and elements of the Imperial Regalia. Detail from a painting by Pedro Américo

The feather structure evolved asymmetry with the aerodynamic properties of modern-day flight feathers. When it comes to dreams, bird feathers are often a sign of some kind of transition in your life which means you’re moving forward even if there’s no way for anyone else to know. Demay, Ida S. (1940). "A Study of the Pterylosis and Pneumaticity of the Screamer". The Condor. 42 (2): 112–118. doi: 10.2307/1364475. JSTOR 1364475. Archived from the original on 21 February 2014. Known for carrying uplifting messages from the heavens, feathers encourage us to allow our spirit guides to nourish and enlighten us from within. Since there are only a handful of birds that sport a plumage of such delicate color, a pink feather sighting can be considered a rare occurrence and therefore should be heralded with much significance.

FEATHER | English meaning - Cambridge Dictionary FEATHER | English meaning - Cambridge Dictionary

a b St. Fleur, Nicholas (8 December 2016). "That Thing With Feathers Trapped in Amber? It Was a Dinosaur Tail". The New York Times. Archived from the original on 8 December 2016 . Retrieved 8 December 2016.Benton, Michael J.; Dhouailly, Danielle; Jiang, Baoyu; McNamara, Maria (1 September 2019). "The Early Origin of Feathers" (PDF). Trends in Ecology & Evolution. 34 (9): 856–869. doi: 10.1016/j.tree.2019.04.018. hdl: 10468/8068. ISSN 0169-5347. PMID 31164250. S2CID 174811556.