Hoof

hooveshoovehoovedhoofed hoovescloven hooveshoofed animalhoofed feet
A hoof ( or ), plural hooves ( or ) or hoofs, is the tip of a toe of an ungulate mammal, strengthened by a thick, and horny keratin covering.wikipedia
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Ungulate

ungulatesunguligradeEuungulata
A hoof ( or ), plural hooves ( or ) or hoofs, is the tip of a toe of an ungulate mammal, strengthened by a thick, and horny keratin covering.
The term means, roughly, "being hoofed" or "hoofed animal".

Toe

halluxbig toetoes
A hoof ( or ), plural hooves ( or ) or hoofs, is the tip of a toe of an ungulate mammal, strengthened by a thick, and horny keratin covering.
Humans, and other animals that walk on the soles of their feet, are described as being plantigrade; unguligrade animals are those that walk on hooves at the tips of their toes.

Keratin

keratinizationkeratinouskeratinized
A hoof ( or ), plural hooves ( or ) or hoofs, is the tip of a toe of an ungulate mammal, strengthened by a thick, and horny keratin covering.
It is the key structural material making up hair, nails, feathers, horns, claws, hooves, calluses, and the outer layer of skin among vertebrates.

Frog (horse anatomy)

frogfrogspart of a horse's hoof
The hoof consists of the hoof wall, the bars of the hoof, the sole and frog and soft tissue shock absorption structures.
The frog is a part of a horse's hoof, located on the underside, which should touch the ground if the horse is standing on soft footing.

Deer

Cervidaestagfawn
Most even-toed ungulates (such as sheep, goats, deer, cattle, bison and pigs) have two main hooves on each foot, together called a cloven hoof.
Deer (singular and plural) are the hoofed ruminant mammals forming the family Cervidae.

Cloven hoof

cloven hoovescloven-hoofcloven-hoofed
Most even-toed ungulates (such as sheep, goats, deer, cattle, bison and pigs) have two main hooves on each foot, together called a cloven hoof.
A cloven hoof, cleft hoof, divided hoof or split hoof is a hoof split into two toes.

Marsupial

marsupialsMarsupialiajoey
However, the marsupial Chaeropus had hooves.
Marsupials must develop grasping forepaws during their early youth, making the evolutive transition from these limbs into hooves, wings, or flippers, as some groups of placental mammals have done, more difficult.

Pig

pigsSusporcine
Most even-toed ungulates (such as sheep, goats, deer, cattle, bison and pigs) have two main hooves on each foot, together called a cloven hoof.
There are four hoofed toes on each foot, with the two larger central toes bearing most of the weight, but the outer two also being used in soft ground.

Odd-toed ungulate

Perissodactylaperissodactylsperissodactyl
Perissodactyls walk on an odd number of toes.
Odd-toed ungulates, mammals which constitute the taxonomic order Perissodactyla (from the Ancient Greek περισσός perissós, "uneven"; and δάκτυλος dáktylos, "finger, toe"), are hoofed animals—ungulates—which bear most of their weight on one (an odd number) of the five toes: the third toe.

Even-toed ungulate

artiodactyleven-toed ungulatesCetartiodactyla
Most even-toed ungulates (such as sheep, goats, deer, cattle, bison and pigs) have two main hooves on each foot, together called a cloven hoof. Artiodactyls are even-toed ungulates, meaning that these species have an even number of digits on each foot.
The most likely ancestors were long thought to be mesonychids — large, carnivorous animals from the early Cenozoic (Paleocene and Eocene), which had hooves instead of claws on their feet.

Phalanx bone

phalangesphalanxproximal phalanx
The hoof surrounds the distal end of the second phalanx, the distal phalanx, and the navicular bone.
The middle phalanx also a corresponding place in their limbs, whether they be paw, wing, hoof or fin.

Pronghorn

pronghorn antelopeAntilocapra americanaantelope
Other cloven-hooved animals (such as giraffes and pronghorns) have no dewclaws.
The feet have two hooves, with no dewclaws.

Nail (anatomy)

nailnailsfingernail
The hoof consists of the hoof wall, the bars of the hoof, the sole and frog and soft tissue shock absorption structures.
Other examples of ungues include the claw, hoof and talon.

Giraffe

giraffesGiraffabehavior of giraffes
Other cloven-hooved animals (such as giraffes and pronghorns) have no dewclaws.
The foot of the giraffe reaches a diameter of 30 cm, and the hoof is 15 cm high in males and 10 cm in females.

Hoof glue

glue
Hoof glue is an adhesive made by boiling down the hooves of ungulates.

Dewclaw

dewclawsdew clawDewclaw removal
Most of these cloven-hooved animals also have two smaller hooves called dewclaws a little further up the leg – these are not normally used for walking, but in some species with larger dewclaws (such as deer and pigs) they may touch the ground when running or jumping, or if the ground is soft.
Hoofed animals walk on the tips of special toes, the hoofs.

Claw

talonsclawstalon
A nail that is big enough to bear weight is called a "hoof".

Ox

oxenbullockbullocks
However, too much wear can result in damage of the hooves, and for this reason, horseshoes and oxshoes are used by animals that routinely walk on hard surfaces and carry heavy weight.
Since their hooves are cloven, two shoes are required for each hoof, as opposed to a single horseshoe.

Mammal

mammalsMammaliamammalian
A hoof ( or ), plural hooves ( or ) or hoofs, is the tip of a toe of an ungulate mammal, strengthened by a thick, and horny keratin covering.

Placenta

placental barrierchorioallantoic placentaafterbirth
Hooves are generally cited as limb structures restricted to placental mammals, which unlike other mammal groups undergo prolonged pregnancies.

Chaeropus

pig-footed bandicootChaeropodidaepig-footed bandicoots
However, the marsupial Chaeropus had hooves.

Navicular bone

navicularboat-likenavicula
The hoof surrounds the distal end of the second phalanx, the distal phalanx, and the navicular bone.

Sheep

ramlambdomestic sheep
Most even-toed ungulates (such as sheep, goats, deer, cattle, bison and pigs) have two main hooves on each foot, together called a cloven hoof.

Goat

goatsdomestic goatmilk
Most even-toed ungulates (such as sheep, goats, deer, cattle, bison and pigs) have two main hooves on each foot, together called a cloven hoof.

Cattle

cowcowsBos taurus
Most even-toed ungulates (such as sheep, goats, deer, cattle, bison and pigs) have two main hooves on each foot, together called a cloven hoof.