ClipArt ETC
An illustration of Borelli's bird with artificial wings. "r e, Anterior margin of the right wing, consisting of a rigid rod; o a, Posterior margin of the left wing same as the right; b c, Anterior; and f, Posterior margins of the left wing same as the right; d, Tial of the bird; r g, d h, Vertical direction of the down stroke of the wing." -Britannica, 1910.

Borelli's Bird with Artificial Wings

An illustration of Borelli's bird with artificial wings. "r e, Anterior margin of the right wing, consisting…

"The red-legged partridge with wings fully extended as in rapid flight."—Pettigrew, 1874

Red-Legged Partridge

"The red-legged partridge with wings fully extended as in rapid flight."—Pettigrew, 1874

An illustration of the right wing of the red-legged partridge.

Red-Legged Partridge Wing

An illustration of the right wing of the red-legged partridge.

An illustration of the right wing of the red-legged partridge.

Red-Legged Partridge Wing

An illustration of the right wing of the red-legged partridge.