Ad
related to: bird's eye anatomy picturestemu.com has been visited by 1M+ users in the past month
Search results
Results From The WOW.Com Content Network
Vision is the most important sense for birds, since good eyesight is essential for safe flight. Birds have a number of adaptations which give visual acuity superior to that of other vertebrate groups; a pigeon has been described as "two eyes with wings". [ 1] Birds are theropod dinosaurs, [ 2][ 3] and the avian eye resembles that of other ...
Most birds have approximately 175 different muscles, mainly controlling the wings, skin, and legs. Overall, the muscle mass of birds is concentrated ventrally. The largest muscles in the bird are the pectorals, or the pectoralis major, which control the wings and make up about 15–25% of a flighted bird's body weight.
Pecten oculi. The pecten or pecten oculi is a comb -like structure of blood vessels belonging to the choroid in the eye of a bird. It is a non- sensory, pigmented structure that projects into the vitreous humor from the point where the optic nerve enters the eyeball. [1] The pecten is believed to both nourish the retina and control the pH of ...
The iris ( pl.: irides or irises) is a thin, annular structure in the eye in most mammals and birds, responsible for controlling the diameter and size of the pupil, and thus the amount of light reaching the retina. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm.
You can also sign up for a workshop to learn how to construct these bird's nests (what Fann has dubbed "spirit nests") yourself. Check out more on Fann's Spirit Nest Facebook page . %Gallery-184874%
v. t. e. A bird's-eye viewis an elevated view of an object or location from a very steep viewing angle, creating a perspectiveas if the observer were a birdin flight looking downward. Bird's-eye views can be an aerial photograph, but also a drawing, and are often used in the making of blueprints, floor plans and maps. [1]
The eye-ring of a bird is a ring of tiny feathers that surrounds the orbital ring, [5] a ring of bare skin immediately surrounding a bird's eye. [5] [6] The eye-ring is often decorative, and its colour may contrast with adjoining plumage. [4] The ring of feathers is sometimes incomplete, forming an eye arc.
S. v. varia. Synonyms. Syrnium varium. The barred owl ( Strix varia ), also known as the northern barred owl, striped owl or, more informally, hoot owl or eight-hooter owl, is a North American large species of owl. A member of the true owl family, Strigidae, they belong to the genus Strix, which is also the origin of the family's name under ...
Ad
related to: bird's eye anatomy picturestemu.com has been visited by 1M+ users in the past month