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Thanks a lot Mrudul ji and Dheerendra bhai for your appreciating comments......
Roopak ji
I agree with you. although lots of parameter is to be included here. such as direction of wind, the height...

Besides these, I would like to mention here some other general observations

1. In every situation the head and bill always remain horizontal to the earth to navigate.

2. During take-off the...

4. The fourth process is more or less same as the first one; the only difference is that the bodyline make a narrower angle, much less than 45 degrees with the ground and that after the take off they...

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3. The third process is – They keep their legs vertically straight, bring the bodyline at an angle of 45 degrees and then flutter their wings with a great thrust in such a way that the extreme end...

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2. The second process is – they utilise the strength of their legs for the initial thrust by first bending their legs to a great extent and fully spreading their wings upwards and then lift their...

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1. The first one is- keeping the legs more or less straight, fully spreading the wings right upward, they float their bodies in the air at an angle of 45 degrees with the ground. then they flutter...

Since the last few weeks I have been working on Grey Heron (Ardea cinerea). I am especially trying to understand the mechanism behind their take-off. Normally, the whole phenomenon of flying of any...