The Hoiho is a very earnest bird: going to work (at sea) early in the morning and returning late from work (at around 5-6pm) as you can see here:
http://youtu.be/DfynN6y4ycw
If you think about his long and winding road of evolution, you will understand why: it started as a fish, crawled on land, then learned to fly and conquered the air and finally returned to, where it came from: the sea. At least he outperforms most fish there lefthandedly ;)
The Kea on the other hand is quite the opposite - it seems, it never ever has felt any selection pressure whatsoever - life is just playing and a lot of having fun for him, as you can see here:
http://youtu.be/8L9z0RJobhY
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