Write the reason of migration , the pattern of their movement(single or in group), the place from where they migrate and its duration for the following migratory birds:
1. Siberian cranes
2. Greater Flamingo
3. Ruff
4. Common greenshank
5. Yellow Wagtail
6. Rosy Pelican
7. Starling
8. Bluethroat
9. Eurasian Wigeon
10. long billed pipit

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Answers

2015-02-26T17:12:33+05:30
It is a type of movement in which birds fly in in groups to a warmer place
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