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.
The movements may be in any direction so the eyes will look like they are moving from side to side or up and down or even in circles. Nystagmus is a sign of a problem with the visual system or the pathways that connect the eyes to the parts of the brain that analyse vision.he movements may be in any direction so the eyes will look like they are moving from side to side or up and down or even in circles. Nystagmus is a sign of a problem with the visual system or the pathways that connect the eyes to the parts of the brain that analyse vision.