They gently place their bodies over their eggs so their body heat will keep the eggs warm.
Both Female and Male Eagles incubate the eggs. They actually take turns.
Yes, both male and female will incubate, often taking turns especially if it is very cold.
Wild ducks certainly do and many farms have ducks that set eggs each spring but there are hatcheries that incubate duck eggs just as most chickens are produced in a hatchery.
Female ducks are called "Hens" and male ducks are called "Drakes"
Female ducks are called "Hens" and male ducks are called "Drakes"
some speces do
They rubb their heads on other male or female ducks (depending on bi or straight)
Same as the male, orange.
If you mean a heart, yes. All ducks do.
Neither male ducks are called "drakes", female ducks are simply called "ducks"
Female hummers lay eggs and incubate them until they hatch.
Female hummers lay eggs and incubate them until they hatch.