They are green with reddish orange spiracles and a longitudinal, dotted black line down the back and an orange, thick anal horn.
The larger, older males with thick horns have the best chance of establishing a territory.
Its roof was manned by Nubian archers, polished black men with ox-hide cuirasses and thick horn bows.
Wethers have thicker horns than the ewes, but not as large or as impressive as those of complete rams.
"It's tempting," Kirk allowed, "but no." The thick horns drew an imaginary pattern on the ceiling.
Male Dall sheep have thick curling horns.
The triceratops of the reptile world is the Jackson's chameleon, which has three thick horns jutting out of its face.
The largest mammal that has been discovered so far is a brontothere, an elephant-sized animal with a pair of thick horns on the top of its head.
He was a huge bull, with a broad brow, and great thick horns springing out just as they should, well forward, which made him come at you straight.
A hoof of thick horn, and a frog that is held off the ground.