The Alexandrine parakeet can emit a powerful screech that is said to be deeper than that of its close cousin, the Indian ring-necked parakeet. Alexandrine parakeets have excellent mimicking abilities and can copy just about any sound.
Egyptian maus shed enough to be excluded from the "hypoallergenic" cats list, but they are also fastidious enough that you don't have to do much in the way of grooming.
The crossbreeding done with the Egyptian mau since the 20th century has done a great job of pushing most common cat ailments to the background, according to the CFA.