When do eagles build their nest?

Eagles need a lot of time to build their nest, as it is one of the most important actions of their lives. An eagle uses the same nest for ages, adding material every year. This is why an eagle nest can weight one ton, and it can reach three meters in diameter. Only 40-50 square centimeters are used for laying eggs, while the rest of it represents the sleeping place for the pair of eagles.

Where do eagles live?
Where do eagles nest?
Where do eagles migrate?
Where do eagles sleep?
Where do eagles live in the US?
Where do eagles come from?
Where do eagles go in the winter?
Why eagle is symbol of America?
Why do eagles scream?
Why do eagles fly so high?
Why do eagles roll their eggs?
Why do eagles fly into wind turbines?
Why do eagles eat meat?
Why do eagles see so well?
Why does eagle have sharp claws?
When do eagles fight?
Why does the eagle hold arrows?
Why does the eagle represent freedom?
When do eagles attack?
When do eagles mate?
When do eagles strike?
When do eagles forget how to fly?
When do eagles lay eggs?
When do eagles hunt?
When do eagles sleep?
When do eagles migrate?
When do eagles get white feathers?
How eagles hunt?
When do eagles build their nest?
How eagles soar?
How eagles die?
How eagles see?
Are eagles endangered?
How eagles protect themselves?
Are eagles extinct?
Are eagles mammals?
Is eagle vision real?