At a certain angle, the bird becomes a radiance, a sort of feathered parhelion, a sundog.
From the time.com
A sundog, or solar halo, appears in the sky above snowy Omaha, Neb., Wednesday, Jan. 14, 2009.
From the washingtonpost.com
Note the halo arcs passing through each sundog.
From the en.wikipedia.org
Ice crystals in the air combine with the sunrise to make a large sundog as a woman walks across a parking lot off 73rd Street in Des Moines, Monday, Jan. 4, 2010.
From the desmoinesregister.com
More examples
Parhelion: a bright spot on the parhelic circle; caused by diffraction by ice crystals; "two or more parhelia are usually seen at once"
Sun dogs (or sundogs), mock suns or phantom suns, scientific name parhelia (singular parhelion), are an atmospheric phenomenon that consists of a pair of bright spots on either horizontal side on the Sun, often co-occurring with a luminous ring known as a 22u00B0 halo.
A colored luminous spot produced by refraction of light through ice crystals that appears on either side of the sun. Also called parhelion.