Mars: Hellas Planitia. The largest visible impact crater in the Solar System is Hellas Planitia on Mars, a giant depression with a floor over seven kilometres (4.3 miles) below the Martian surface.
Dimensions. The recommended size for one parakeet is 25 inches tall and 25 inches deep. To house two birds comfortably, you should double that cage size to make it at least 50 inches tall and 50 inches deep.If you can afford it and have enough space, opt for a bigger cage.all cages work best for parakeets. This type of bird really likes to fly around and hop from place to place. If you can, choose a cage that exceeds the height recommendation of 50 inches.
The term Parakeet is often used to refer to a wide range of birds. The bird cages below are specifically recommended for larger Parakeets, such as Indian Ring-neck Parakeets, Alexandrine Parakeets, Quaker Parrots, Rosellas, and other similar-sized birds.These large Parakeets all offer their own unique looks and personalities.he bird cages below are specifically recommended for larger Parakeets, such as Indian Ring-neck Parakeets, Alexandrine Parakeets, Quaker Parrots, Rosellas, and other similar-sized birds. These large Parakeets all offer their own unique looks and personalities.