Down
Filoplumes are also known as hair-like feathers. They are narrow, hair-like feathers with a sensory function that are typically found near contour feathers in birds.
Parrots have a unique type of feathers called contour feathers, which cover their body and provide insulation and waterproofing. They also possess down feathers underneath for added warmth and flight feathers on their wings and tail that are crucial for flying. Additionally, parrots have specialized feathers that can reflect light, giving them vibrant colors. These adaptations contribute to their striking appearance and ability to thrive in various environments.
i would say it is a cardinal
Contour Maps,actually,contour maps measure their elevations.
Soft kind of feather.
Down feathers.
R134a
There are no feathers in a golf ball.
According to the 1997 Ford Contour Owner Guide ( 5W-30 )
R134a
A contour diagram.
Bats are mammals and do not have feathers of any kind anywhere. They have skin.