No. Goats, like most herd animals (cattle, deer, antelope, etc.) have horizontal pupils, more like a slit. This gives them the advantages of a 330° view, and greater peripheral depth perception--perhaps to give them an advantage over predators.
rectangle, except in dim light, in which they become round.
They are rectangular.
Goats have retagular shaped pupils.
No, their eyes are round, however, the pupils in their eyes are rectangular.
They are in little rectangle shape. It may be why they are associated with the devil.
Sheep and goats have horizontal, oval pupils.
Animal pupils come all different shapes and sizes. A cat has slit shaped pupils, and a chicken has round pupils. Some goats even have time glass shaped pupils. Many different shapes.
because they are square
Apart from the facet Eyes of insects, all Eyes have pupils.
Yes, and only a few species have rectangular eyes. Sheep, Goats, Octopuses and Toads have these rectangular shaped pupils. Typically classified as prey, these animals need to have a defense both day and night. But they don't have vertical slits due to their need to survey their surroundings more accurately. The narrower the pupil in relation to the horizon, the greater the accuracy of depth perception is in the peripheral vision of the animal. The perception of depth must be considered with these animals who spend their time evading predators in a rugged terrain. From The Evolution of The Rectangular Eye http://www.science20.com/variety_tap/evolution_rectangular_eye
They don't. If you're referring to the shape of their pupils - many animals have eyes like that. Mostly reptiles.
the pupils of each of the presidents' eyes are shallow recessions with projecting shafts of granite. From a distance, this shape makes the eyes sparkle. See related link.
Yes all animals with eyes have pupils.