Flying over mountains is very hard work. Some birds can't fly high or far enough to make it past the rocky mountains so they have to stay on one side.
no birds can fly over
swallows and arctic terns
its worth two in a bush
birds, insects and bats are able to fly. (over 800,000 species of insects)
It is not only birds that fly. Bats fly and they are not birds.
Where it migrates to when and why: they fly over the Mediterranean Sea and the Sahara Desert.
Yes! They are birds they can basically fly unless their wings are injured and land in the water.....
Yes. Some fly across oceans, so lakes are no problem.
The major mountain range that would be visible are the Andes Mountains. You may be able to see the green of the Uspallata Valley.
Most birds can fly. Not all.
To say that birds use wings and feathers to fly, so all birds can fly, would be false. Not all birds can fly. An ostrich is an example of a bird that cannot fly.