A critically endangered antelope, Oryx dammah, living in the arid plains and deserts of North Africa.

A large owl, Bubo virginianus, resident in North America, having tufts on its ears.

A horn on a fire alarm that sounds in case of fire, either automatically when the system detects fire or manually when the alarm is pulled, to alert the occupants of a building or complex of the hazard.

Phrynosoma solare, a horned lizard, with a wide toad-shaped body about seven inches long, noted for the ten horns that form a crown-like structure on its head.

plural of scimitar-horned oryx

plural of slender-horned gazelle

plural of hickory horned devil

A Citheronia regalis moth in its caterpillar stage.

A large carnivorous horned toad, Ceratophrys ornata, with sharp tooth-like projections in its very large mouth.

An X-linked recessive connective tissue disorder caused by a deficiency in the transport of copper, and leading to the formation of projections on the back of the skull.