How did Sparrow (bird) reach Australia?

Answered Nov 29, 2016 · Author has 1.9k answers and 2.6m answer views. The house sparrow was introduced to Australia by the early settlers in the mid 19th century. Because it is a hardy and adaptable bird, it thrived here and spread from the south all over the east coast and into the Northern Territory. read more

Easy, the sparrow moved with the Germans from an Iranian province called Kermania to central Europe and moved with the Anglo-Saxons to Great Britain, and from Great Britain to Australia. read more

Pretty average (compared to other birds)! Visual acuity is the ability of the eye to focus clearly and sharply on an object as it becomes smaller or more distant. Visual acuity is closely related to the number of visual cells in each fovea. A fovea is a part of the eye located in the retina and is responsible for sharp vision. read more