preorbital glands
... that the hirola is often referred to as the "four-eyed antelope" due to its large preorbital glands?
... that the <a href="./Hirola" id="mw5w" rel="mw:WikiLink" title="Hirola">hirola</a> <i id="mw6A">(pictured)</i> is often referred to as the "four-eyed antelope" due to its large <b id="mw6Q"><a href="./Preorbital_gland" id="mw6g" rel="mw:WikiLink" title="Preorbital gland">preorbital glands</a></b>?