Firstly, there are some similarities and differences in terms of their appearance. The sulphur crested cockatoo’s length is around 44 to 45 centimeters and the weight is from 700 to 950 grams, which depends on the gender. Differently, both of the male and female rainbow lorikeets’ length are around 25 to 30 centimeters and the weight are 75 to157 grams. However, the biggest difference is their color. The rainbow lorikeet’s head and belly both are deep blue but red and blue-black feathers cover the chest, the rest of feathers such as back and wings are all green. Unlike the rainbow lorikeet, the sulphur crested cockatoo only has two kind of color, which the plumage is overall snow white and the expressive crest is bright yellow. Over all, there are more differences than similarities in their appearance.
Secondly, in terms of behavior, between the sulphur crested cockatoo and the rain lorikeet, there are some similarities and differences. The sulphur crested cockatoo’s average lifespan is 40 years and compared with the sulphur crested cockatoo, although the rainbow lorikeet can not live as long as sulphur crested cockatoo, but the average lifespan of the rainbow lorikeet is 30 years. In addition, not only seeds, berries, but also insects and fruit are all on their diet. Because both of them have strong and powerful bill to consume and dig their food, such as roots and nuts, In short, even the sulphur crested cockatoo