Homa, is a legendary bird especially within the Iranian mythology. It is said to never come to rest, living its entire life flying invisibly high above the earth, and never alighting on the ground (in some legends it is said to have no legs).
The ruins of Persepolis, the capital of the Achaemenid two stone statue of the Homa has been found. The role of bird carving and some of the pillars of Persepolis also suggests. This suggests that in ancient Iran Homa bird was bliss.