Description | Description:Mexican Prairie dogs live only in the grassland valleys of Mexico. They have mouse-like ears and blunt noses, and usually develop and thicken their fur during winter. Their large auditory glands can pick up sounds ranging from 29 to 26,000 Hz. | Description:The budgerigar is a small bird from Australia. It is similar to a parakeet and is brightly colored in grey, green, yellow, blue, black, and white. It is believed that this is a species of parrot, and is thus the smallest parrot species, known. |