Here is a more detailed description of the physical characteristics of Rosellas:
* Size: Rosellas range in size from about 25 to 35 cm (10 to 14 inches) in length.
* Weight: Rosellas typically weigh between 85 and 150 grams (3 to 5 ounces).
* Plumage: Rosellas have bright, colorful plumage that can vary significantly between species. The most common colors are red, blue, green, and yellow, but some Rosella species also have black or white markings.
* Head: Rosellas have a relatively large head with a strong, hooked beak.
* Eyes: Rosellas have dark brown or black eyes.
* Ears: Rosellas have small, round ears located on the sides of their head.
* Tail: Rosellas have a long, pointed tail, which they often use to balance themselves when perching.
* Feet: Rosellas have four toes on each foot, with two toes facing forward and two toes facing backward.
Rosellas are beautiful and fascinating birds with a wide range of colors and patterns. They are also very social animals and enjoy spending time with their flock mates. Rosellas are popular pets in many parts of the world and can make excellent companions for people who are willing to provide them with the care they need.