Question

what is mean by migration of animals?why do bird migrate

Answer 1

migaration means to travel one place to another place birds can migrate to cold hot temperatures

Answer 2

The seasonal movement of birds and animals in large number from one place to another to overcome unfavourable climatic condition and returning back to original habitat when condition became favourable is called migration
birds migrate to avoid harsh and unfavourable climatic condition, get more favourable condition of food, temp., etc and also to obtain a suitable place for reproduction...... ☺️☺️☺️☺️