Riddle

A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?

Choose an answer

A.A treehouse
B.A beehive
C.A cocoon
D.A nest
Hint: It's a 2-word phrase with 5 letters, starting with "A".

Answer

A nest

Why this is the answer

A bird's nest is built naturally from twigs high in a tree, and it often holds pale blue eggs, like those of a robin.

This riddle is filed under "What Am I?" Riddles and rated Medium.