Birds, unlike humans but like fish, amphibians and reptiles, have four types of ... the ability to perceive not only the visible range but also the ultraviolet part of the ... of colour detectors, but a high density of rod cells which function well in poor light. .... The main structures of the bird eye are similar to those of other vertebrates.
|3 years ago. Rating: 3|
they have light bones. They're streamlined. They both lay eggs. Some fish have pointed mouths, sorta like birds. They both have tails.....to act as a rudder. Some fish have wings and "fly " , but not very far. The fins on the fish are kinda like wings. Some species of birds and fish migrate every year.
|1 year ago. Rating: 1|