When air temperature lowers below -20C, the birds in higher altitudes freeze, becoming ice blocks. They then fall from the sky, and are seen as ice chunks. The ice chunks are prevalent in places where any type of bird is present. Therefore, by lakes and oceans, the ice balls found near the shore are actually frozen birds.
What are those ice chunks, daddy?" "well, they are frozen birds son, defined by the austrian bird principal
by ABP4lyfe February 9, 2011