Ostrich vs. Penguin

Struthio is a genus of birds in the order Struthioniformes, whose members are the ostriches. It is part of the infra-class Palaeognathae, a diverse group of flightless birds also known as ratites that includes the emus, rheas, and kiwis.

Penguins (order Sphenisciformes , family Spheniscidae ) are a group of aquatic flightless birds. They live almost exclusively in the Southern Hemisphere, with only one species, the Galápagos penguin, found north of the Equator.

Either of two large, swift-running flightless birds (Struthio camelus or S. molybdophanes) of Africa, characterized by a long bare neck, small head, and two-toed feet. Ostriches are the largest living birds.

Any of various stout, flightless aquatic birds of the family Spheniscidae, of the Southern Hemisphere, having flipperlike wings and webbed feet adapted for swimming and diving, short scalelike feathers, and white underparts with a dark back.

A rhea.

(Obsolete) The great auk.

One who tries to avoid disagreeable situations by refusing to face them.

Any of several flightless sea birds, of order Sphenisciformes, found in the Southern Hemisphere, marked by their usual upright stance, walking on short legs, and (generally) their stark black and white plumage.

(ornithology) A large flightless bird of the genus Struthio.

An auk (sometimes especially a great auk), a bird of the Northern Hemisphere.

The most widespread species of the genus, known as the common ostrich (Struthio camelus).

(slang) A nun (association through appearance, because of the often black-and-white habit).

(figurative) One who buries one's head in the sand instead of acknowledging problems.

(juggling) A type of catch where the palm of the hand is facing towards the leg with the arm stretched downward, resembling the flipper of a penguin.

(golf) The hypothetical completion of a hole five strokes under par (a quintuple birdie, quadruple eagle, triple albatross, or double condor).

A spiny bromeliad with egg-shaped fleshy fruit, Bromelia pinguin.

A large bird of the genus Struthio, of which Struthio camelus of Africa is the best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high.

A member of the air force who does not fly aircraft.

a person who refuses to face reality or recognize the truth (a reference to the popular notion that the ostrich hides from danger by burying its head in the sand)

Any bird of the order Impennes, or Ptilopteri. They are covered with short, thick feathers, almost scalelike on the wings, which are without true quills. They are unable to fly, but use their wings to aid in diving, in which they are very expert. See King penguin, under Jackass.

fast-running African flightless bird with two-toed feet; largest living bird

The egg-shaped fleshy fruit of a West Indian plant (Bromelia Pinguin) of the Pineapple family; also, the plant itself, which has rigid, pointed, and spiny-toothed leaves, and is used for hedges.

short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers