Question

what is migration?why is migration done?what are the two types of migration?(by birds)

Answer 1

Answer:

migration in which the Bird changes their place from one country to another migration is done because to sustain their life according to the temperature by the Bird

Answer 2

defination of migration:-

Migration is the regular seasonal movement, often north and south, undertaken by many species of birds.

migration is done because:-

• Instint and gonadal changes
• Scarcity of food and day length
• Photoperiodism
• Seasonal variation
• Light

types of migration:-

• Latitudinal
• Longitudinal
• Altitudinal or vertical
• Partical
• Total
• Vagrant or irregular
• Seasonal
• Diarnal
• Noctural