Independent origin of the trichoptile and neoptile in bird plumage

Ilyashenko, V. Yu.

doi:10.1134/s0012496606060214

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…However, the above mentioned similarity gives evidence for an equally reliable alternative assumption that the protofeather evolved from a structure similar to the bristle scale. If this is the case, the protofeather is regarded as an elongated scale, which is insufficient for direct comparison with the feather or even with tri choptile, which is an elongated and hollow skin struc ture without a trace of a follicle (observed in embryos of some extant birds: Kundrát, 2004;Il'yashenko, 2006;Chernova, 2008).…”

Section: Discussionmentioning

confidence: 98%

Integument structure in ornithischian dinosaurs (Hypsilophodontia, Ornithopoda) from the Late Jurassic of Transbaikalia

et al. 2014

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Integumentary structures of ornithischain dinosaurs of the taxon Hypsilophodontia (Ornitho poda) from the Ukureiskaya Formation (Upper Jurassic) of the Kulinda locality (Transbaikal Region, Russia) are described in detail. It is shown that members of this group had so called bristle scales, integumentary appendages previously unknown in ornithischian dinosaurs. These are relatively small horn plates embedded in the skin, the distal margin of which has several long, flat, and probably constantly growing bristles. The monobristle variant of bristle scale is probably homologous to the protofeather of theropods; if this is the case, it is possible to reconstruct the protofeather as an elongated and constantly growing scale.

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Section: Discussionmentioning

confidence: 98%

Integument structure in ornithischian dinosaurs (Hypsilophodontia, Ornithopoda) from the Late Jurassic of Transbaikalia

et al. 2014

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“…30). These modified neo-natal feathers are known as trichoptiles and are present in Falconiformes, Cuculiformes and Rallidae (see Ilyashenko 2006).…”

Section: Guira Cuckoo Guira Guiramentioning

confidence: 99%

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2023

Bulletin of the British Ornithologists’ Club

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The meeting was recorded and a video of the event is available online at https://youtu.be/KU7MPekp41c and also via the Club website https:// boc-online.org.Dr Richard Sales, renowned for his wide-ranging research and publications on raptors, notably British falcons, and Steve Watson, who has been conducting a decades-long field study on the Peregrine Falcon Falco peregrinus in Gloucestershire, jointly presented a very well-illustrated talk entitled The Peregrine Falcon, based on their groundbreaking recent book of the same name. Richard's area of special research interest, namely the interaction between anatomy and behaviour underlying the Peregrine's flight characteristics and prey capture, synergistically complemented the broader focus by Steve on ecology and population characteristics, resulting in a particularly comprehensive overview. Broader discussion of the wide range and complex taxonomy (approaching 20 subspecies according to most authorities) of the species was not neglected, and the authors' detailed research included fascinating novel nuggets of information, including that the Peregrine's visual acuity is likely to be even greater than generally understood.The 1009th meeting of the Club was held in conjunction with the Linnean Society of London at Burlington House, Piccadilly, London W1J 0BF, on Monday 6 November 2023 when Dr Will Smith spoke on Rock Doves and the process of 'extinction by hybridisation'. A detailed account of this meeting will be included in the March 2024 issue of the Bulletin.

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Plumage structure and skin weight in nestlings of cranes (Gruidae, Gruiformes)

Ilyashenko

Чернова

2008

Biol Bull Russ Acad Sci

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Independent origin of the trichoptile and neoptile in bird plumage

Cited by 4 publications

References 3 publications

Integument structure in ornithischian dinosaurs (Hypsilophodontia, Ornithopoda) from the Late Jurassic of Transbaikalia

Integument structure in ornithischian dinosaurs (Hypsilophodontia, Ornithopoda) from the Late Jurassic of Transbaikalia

Full Issue

Plumage structure and skin weight in nestlings of cranes (Gruidae, Gruiformes)

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