Guest

A migratory bird always prefer to fly at high altitude because it

A migratory bird always prefer to fly at high altitude because it

Grade:7

1 Answers

Vasanth SR
askIITians Faculty 1335 Points
7 years ago
Birds save energy by dipping lower when air gets thinner

To preserve energy, geese avoid flapping harder and harder in very thin air

Birds track underlying terrain - even if this means repeatedly shedding hard-won altitude - then later regain height

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free