There are three of them: one on a free standing column and one on each gatepost. When they first appeared they were an extremely bright white. Then they disappeared and reappeared some time later with their present colors.
Eagle of free-standing column.
Eagle on left gatepost.
Eagle on right gatepost.
Taken with a Sony A7IV and Tamron Di III VXD A056SF 70-180mm f2.8.