Captive bred pigeons can lay a new batch of eggs every month, but their feral cousins typically produce between two and four broods a year. While pigeons can lay their eggs at any time of year, they are more likely to nest during the spring and summer months, when the weather is warmer.
Nystagmus is an involuntary condition in which the eyes make rapid, repeated, uncontrolled movements.These eye movements may be in any direction including horizontally, vertically, or rotationally (in a circle). Many people with nystagmus do not experience visual symptoms.ystagmus is an involuntary condition in which the eyes make rapid, repeated, uncontrolled movements.
Nystagmus has also been described as âdancing eyesâ or âjerking eyesâ. Doctors and researchers classify nystagmus by the characteristics of the eye movements like do they move back and forth like a pendulum or do they move slowly in one direction and then rapidly in another.