Echidna vs. Hedgehog

Echidnas (), sometimes known as spiny anteaters, belong to the family Tachyglossidae in the monotreme order of egg-laying mammals. The four extant species of echidnas and the platypus are the only living mammals that lay eggs and the only surviving members of the order Monotremata.

A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introduction.

a spiny insectivorous egg-laying mammal with a long snout and claws, native to Australia and New Guinea.

Any of several small insectivorous mammals of the subfamily Erinaceinae, native to Eurasia and Africa and naturalized in New Zealand, having dense erectile spines covering the back and sides and characteristically rolling into a ball for protection.

Any of several nocturnal burrowing egg-laying mammals of the genera Tachyglossus and Zaglossus of Australia, Tasmania, and New Guinea, having a spiny coat, a slender snout, and an extensible sticky tongue used for catching insects.Also called spiny anteater.

Any of several spiny animals, such as the porcupine, that are similar to the hedgehog.

Any of the species of small spined monotremes in family Tachyglossidae, the four extant species of which are found in Australia and southern New Guinea.

A well fortified military position.

A monster, half maid and half serpent.

An antisubmarine weapon consisting of several rows of mortar-like dischargers positioned to fire in a circular pattern ahead of a ship.

A genus of Monotremata found in Australia, Tasmania, and New Guinea. They are toothless and covered with spines; - called also porcupine ant-eater, and Australian ant-eater.

An obstacle used against tanks and landing craft, consisting of three crossed iron bars welded or bolted together.

New Guinea echidnas

A small mammal, of the family Erinaceidae or subfamily Erinaceinae (pl=s, the latter characterized by their spiny back and often by the habit of rolling up into a ball when attacked.)

burrowing spine-covered monotreme of Australia having a long snout and claws for hunting ants and termites

(US) Any of several spiny mammals, such as the porcupine, that are similar to the hedgehog.

(military) Czech hedgehog an antitank obstacle constructed from three steel rails.

A spigot mortar-type of depth charge weapon from World War II that simultaneously fires a number of explosives into the water to create a pattern of underwater explosions intended to attack submerged submarines. Category:en:World War II

(Australia) A type of chocolate cake (or slice), somewhat similar to an American brownie.

A form of dredging machine.

Certain flowering plants with parts resembling a member of family Erinaceidae

Medicago intertexta, the pods of which are armed with short spines.

Retzia capensis of South Africa.

The edible fungus Hydnum repandum.

A kind of electrical transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance.

A way of serving food at a party, consisting of a half melon or potato etc. with individual cocktail sticks of cheese and pineapple stuck into it.

(differential geometry) A type of plane curve; see Hedgehog (geometry). Category:en:Curves

(military) To make use of a hedgehog barricade as a defensive maneuver.

To array with spiky projections like the quills of a hedgehog.

(ambitransitive) To curl up into a defensive ball.

A small European insectivore (Erinaceus Europæus), and other allied species of Asia and Africa, having the hair on the upper part of its body mixed with prickles or spines. It is able to roll itself into a ball so as to present the spines outwardly in every direction. It is nocturnal in its habits, feeding chiefly upon insects.

The Canadian porcupine.

A species of Medicago (Medicago intertexta), the pods of which are armed with short spines; - popularly so called.

A form of dredging machine.

A variety of transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance, whence the name.

a defensive obstacle having pointed barbs extending outward, such as one composed of crossed logs with barbed wire wound around them, or a tangle of steel beams embedded in concrete used to impede or damage landing craft on a beach; also, a position well-fortified with such defensive obstacles.

relatively large rodents with sharp erectile bristles mingled with the fur

small nocturnal Old World mammal covered with both hair and protective spines