The bird with blue wing feathers in Greece is called a Blue Winged Teal. It has cinnamon brown body feathers and patterned black marks on it.
A bastard wing is a tuft of feathers borne by the bony thumb-like structure in a bird's wing.
Primaries
As with other birds, the wing of a blue jay is covered in feathers.
you just clip the feathers on the wing but make sure you do not cut them to close to the wing or else you will hurt the bird
It is wing ass
A Bird's wing and tail feathers form the shape of an aerodynamic lifting force that can be changed to change flight characteristics. The body feathers provide a low drag body shape.
Like all birds it is covered in feathers.
technicaly its Wings and Back PCH=Wing and Tail
It is on the wing of the bird. To look at it on a chick just starting to grow feathers, gently hold the chick in one hand and spread the wing out. Take note if the tips of the feathers are even or jagged. That is referred to as "the feather line" On an adult bird it is more easily seen but harder to control the bird.
Alula
The covering to the wing consists of skin (the skin is light to help it fly) and feathers that allow air flow, and a layer on top has non air flow feathers to keep the airfoil going.
The wingspan of the blue jay bird can vary slightly. The average wingspan of this bird is between 13.4 and 16.9 inches.