feathers (e.g., barbules, rachides and vanes); types of feathers (e.g., filoplume, pennaceous and plumulaceous feathers); and their growth and loss (e.g...
288 KB (31,031 words) - 02:43, 25 July 2024
centimetres of their eyes. Caught prey can be felt by owls with the use of filoplumes—hairlike feathers on the beak and feet that act as "feelers". Their far...
70 KB (7,573 words) - 20:56, 5 August 2024
than other birds; lastly the filoplumes are small (less than 1 cm long) naked shafts that end in a splay of fibers— filoplumes were believed to give flying...
80 KB (7,977 words) - 01:48, 13 August 2024
developed, there are six different types of feathers: contour, flight, down, filoplumes, semiplumes, and bristle feathers. Feathers were not originally meant...
11 KB (1,677 words) - 02:41, 30 June 2024
Mechanoreceptors at the base of the filoplumes only fire when contour feathers are displaced or the filoplume moves. Preening enables birds to remove...
48 KB (5,257 words) - 16:26, 23 May 2024
around 12 million years ago. Given that the head ornamentation by yellow filoplumes seems plesiomorphic for the Eudyptes-Megadyptes lineage, Madrynornis probably...
14 KB (1,079 words) - 22:58, 10 March 2024
Here, asymmetrical flight feathers, bipinnate plumulaceous feathers, filoplumes, powder down, and bristles evolved. Some evidence suggests that the original...
51 KB (4,957 words) - 18:13, 8 August 2024
white tufts appear on the sides of the head, there are scattered white filoplumes on the side of the head and the neck, and the throat patch develops a...
12 KB (1,253 words) - 04:06, 22 May 2024
yellow-throated bulbul, which is found in rockier habitats. Three or four hair-like filoplumes are present on the nape. Sexes are similar in plumage. It is usually detected...
6 KB (672 words) - 23:10, 20 December 2023