Question

what is the scientific reason behind bird's migration​

Answer 1

Answer:

Here's your answer

Explanation:

• Bird migration is the regular seasonal movement, often north and south along a flyway, between breeding and wintering grounds.
• Many species of bird migrate.
• Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by availability of food.

Answer 2

Answer:

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1. Bird migration is the regular seasonal movement, often north and south along a flyway, between breeding and wintering grounds.
2. Many species of bird migrate.
3. Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by availability of food.

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