Yes, climate change making younger birds migrate earlier. It has long been suspected that birds are migrating earlier each year to cope with changes in their environment.

https://www.scientificamerican.com/article/climate-change-might-make-birds-mis-time-their-migrations

I think the climate change effects on the migration of birds.

Yes, definitely will affect.

Climate change affect on whole biodiversity 

I agree with Kareem Ghafel.

Climate change affects directly or indirectly on birds migrations.

Depends on the literature, yes its affect.

Mant thanks Dr. Maysoon for your useful answer. 

Thank you Lujain for your valuable info.

Many thanks Dr. Abdulzahraa for your answer.

Thanks a lot Dr. Layth for your participated.

Thank you Dr. Kareem for your interest. 

Thanks Dr. Aqeel, appreciate your react. 

Yes, climate change making younger birds migrate earlier. It has long been suspected that birds are migrating earlier each year to cope with changes in their environment.

https://www.scientificamerican.com/article/climate-change-might-make-birds-mis-time-their-migrations

Great answer, Many thanks Dr. Hassan Alshamsi for your valuable info and thanks for your interest in the filed of Ornithology. 

I agree with Dr. Hasan Alshamsi.

Yes, Climate change effects on the all component of biodiversity.

Thanks a lot Dr. Syoof for your interest. 

Thank you Dr. Wejdan for your answer.