The pennaceous feather is a type of feather present in most modern birds and in some other species of maniraptoriform dinosaurs. A pennaceous feather has...
4 KB (418 words) - 20:26, 29 November 2023
history of feathers is now reasonably well-known. All feathered species had filamentaceous or plumaceous (downy) feathers, with pennaceous feathers found among...
51 KB (4,957 words) - 18:13, 8 August 2024
of feather: vaned feathers which cover the exterior of the body, and down feathers which are underneath the vaned feathers. The pennaceous feathers are...
92 KB (9,890 words) - 23:15, 17 August 2024
Flight feathers (Pennae volatus) are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird;...
42 KB (5,155 words) - 01:56, 19 May 2024
six different types of feathers, which are flight, contour, down, semiplumes, filoplumes, and bristle feathers. Pennaceous feathers are relatively stiff...
11 KB (1,677 words) - 02:41, 30 June 2024
Maniraptora (section Feathers and flight)
distal pennulae), pennaceous feathers arising from the distal forelimbs and tail". Ancestral morphology relating to pennaceous feathers suggests that basal...
19 KB (2,000 words) - 06:55, 21 June 2024
The down of birds is a layer of fine feathers found under the tougher exterior feathers. Very young birds are clad only in down. Powder down is a specialized...
26 KB (2,924 words) - 02:35, 30 June 2024
Anchiornithidae (section Feathering)
that every anchiornithid possessed advanced pennaceous feathers, there is still much variety in feathering between genera (or between individuals in the...
24 KB (2,288 words) - 23:53, 6 August 2024
Ornithomimus (category Feathered dinosaurs)
arm, indicating the former presence of pennaceous feather shafts, and a juvenile with impressions of feathers, which were up to five centimetres in length...
30 KB (3,372 words) - 18:03, 26 May 2024
Glossary of bird terms (redirect from Axillary feathers)
structural makeup of feathers (e.g., barbules, rachides and vanes); types of feathers (e.g., filoplume, pennaceous and plumulaceous feathers); and their growth...
288 KB (31,031 words) - 02:43, 25 July 2024