Migration of Wild Life


 
 
Concept Explanation
 

Migration of Wild Life

The seasonal movement of animals from one habitat to another is called migration. Species like birds, fish, insects migrate to a place of favorable condition for certain period of time, then travel back to natural habitat.

Birds Migration:  Birds migrate from one place to other due to following reasons :

  • 1. To escape the cold, unfavorable condition.
  • 2. To reproduce in favorable condition of temperature and food.
  • Advantages of Migration :

  • It provides the migrating species with more favorable conditions of temperature, food and water. For example, Siberian crane migrates to India during winters.
  • It also provides suitable place for reproduction that may not be available in their native place. Foe example, salmon migrates from migrates from salt water to fresh water to lay eggs and then comes back.
  • For Example :

    1. The arctic tern makes the longest known migration of any bird, by traveling form the arctic to the Antarctic and then back again.

    2. Humpback Whale ( Megaptera novaeangliae) : This mammal have the longest migration of any mammals. One female Humpback whale travels more than 9800 km from tropics.

    3. Red crab of Christmas island : They move along the island together. They travel 5 km 12 hours over 5 days.

                                                                  

    Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    Seasonal movement of animals from one habitat to another is called ______________

    Right Option : C
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    Question : 2

    Birds migrate from one place to other because ______________________.

    Right Option : C
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    Explanation
    Question : 3

    From the following ___________________ cannot migrate.

    Right Option : D
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    Explanation
     
     


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