shafts Barbules and pinnae are connected at the shafts of the feathers. This is on a bird.
Barbules are the tiny, hair-like structures that branch off from the barbs of a bird's feathers. Each barb has numerous barbules that interlock with those of adjacent barbs, creating a strong, cohesive structure essential for flight and insulation. Pinnae, on the other hand, refer to the primary structural elements of feathers, which include the central shaft (rachis) and the barbs. Together, barbules and pinnae contribute to the overall integrity and functionality of feathers, aiding in aerodynamics and temperature regulation.
hooklets help tie the barbules and barbs that forming the feather together. this provide a strong and light structure of feather.
All birds have ears, none have pinnae, though some have pinnae-like head adornments.
Birds of a feather are said to "flock together".
"Birds of a feather flock together."
The duration of Birds of a Feather is 1800.0 seconds.
Birds of a Feather was created on 1989-10-16.
Birds of a Feather ended on 1998-12-24.
In the nursery rhyme "Birds of a Feather," the birds will flock together.
Birds of a Feather - Phish song - was created in 1998.
Birds of a feather flock together, but all birds cannot fly.
Birds of a Feather - 1989 is rated/received certificates of: Australia:PG