Question of the Day

This is an aural abscess, which can occur secondary to vitamin A deficiency.

Captive terrestrial box turtles are most at risk, usually due to diets containing little vitamin A.

Other presentations of hypovitaminosis A include froth from the nose (a sign of respiratory disease) and renal disease.

For information on wild turtle conservation (and stunning photography), have a look at the Turtle Conservancy.