They come in the spring and go in autumn. They go on a trip to get warm. El Salvador is warm in winter. Hummingbirds fly to drink nectar . Nectar is in flowers, trees and hummingbird feeders.
Nectar tastes delicious.
The hummingbird tastes the nectar with his bill, just like a straw. We have a red hummingbird feeder at our house. It has six holes. The hummingbird puts its bill in the hole. It drinks the nectar.