Context: Birds are a group of animals with similar traits. The following traits can be used to identify birds:
They have feathers.
They have wings.
They have a beak.
They make eggs with shells. Observe the animals and read the descriptions.
Select the one animal that has all of the bird traits listed above.
A. Green violetears are a type of hummingbird. Hummingbirds can use their wings to fly backward and upside-down! Green violetears also have a beak and feathers. Their eggs have shells and are the size of jellybeans.
B. Cobras hatch from eggs with shells. They have a wide, flat hood. A cobra can display its hood to scare away a predator. Like the rest of its body, the hood is covered in waterproof scales.
Select the correct answer from the provided options and reply with the letter associated with it.

A