humming birds migrate the same way the other birds do. Like when it is cold in north they fly south and when it is cold in the south they fly north.
If birds fly south that means that winter is here. In the same way there are many signals.
If birds fly south that means that winter is here. In the same way there are many signals.
There are many reasons that birds fly the way they do. One reason for why they fly in a V formation is because it reduces the air resistance on the birds in the back of the formation.
That thing that birds do when they fly north 1 part of the year and south the other
its so if a enemy comes near them they can fly a way
Animals have What you and I would call a compass in there little heads. That's how birds know how to fly south for the winter. :)
No way. Science fiction. Special effects. ;]
Kingfisher
fly
Most sparrow species do not migrate. Those that do seek food and to avois harsh weather when it gets cold in the North by migrating south.
They do not carry much weight - if they did, they wouldn't be able to fly. Everything about their bodies and way of life is aimed at low weight and high strength in the flight muscles.