Answers

2014-12-21T20:14:34+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.

All migrating birds, over time, develop a mental map, allowing them to follow waterways and landmarks.

The sun and the stars also help.

0
  • Brainly User
2014-12-21T20:19:08+05:30
That's all natural... as we come to know when we r hungry.. or any other need... so do birds..
And where to migrate that many natural things like sun, stars , moon help..

0