"Two eagles perched on the other two silver ones of the standards, pecking at them or, as others say, protecting them. And they remained there, fed by the generals at the expense of public provisions, until they took flight the day before the battle.". Apiano, Bell. Civ. 4,101.

Created for the article Silver Eagles, Iron Men. Military Standards at the Twilight of the Republic by Eduardo Kavanagh (Autonomous University of Madrid). 

Underdrawing for Desperta Ferro Antigua y Medieval Magazine, no. 19: Caesar versus Pompey (2013).