They good Baiardo by a monster view, -- A bird, and bigger than that courser -- prest.
Above three yards in length appeared to view The monster's beak; a bat in all the rest.
Equipt with feathers, black as ink in hue, And piercing talons was the winged pest;
An eye of fire it had, a cruel look, And, like ship-sails, two spreading pinions shook.