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  2. Precociality and altriciality - Wikipedia

    en.wikipedia.org/wiki/Precociality_and_altriciality

    Another example is the blue wildebeest, the calves of which can stand within an average of six minutes from birth and walk within thirty minutes; [5] [6] they can outrun a hyena within a day. [ 7 ] [ 8 ] [ 9 ] Such behavior gives them an advantage over other herbivore species and they are 100 times more abundant in the Serengeti ecosystem than ...

  3. Terrestrial locomotion - Wikipedia

    en.wikipedia.org/wiki/Terrestrial_locomotion

    Feet have evolved many forms depending on the animal's needs. One key variation is where on the foot the animal's weight is placed. Some vertebrates: amphibians, reptiles, and some mammals such as humans, bears, and rodents, are plantigrade. This means the weight of the body is placed on the heel of the foot, giving it strength and stability.

  4. Millions of years before the earliest birds appeared, mystery ...

    www.aol.com/birdlike-footprints-triassic-mystery...

    A new analysis of three-toed fossil footprints that date back more than 210 million years reveals that they were created by bipedal reptiles with feet like a bird’s.

  5. Plantigrade - Wikipedia

    en.wikipedia.org/wiki/Plantigrade

    Among extinct animals, most early mammals such as pantodonts were plantigrade. A plantigrade foot is the primitive condition for mammals; digitigrade and unguligrade locomotion evolved later. Among archosaurs, the pterosaurs were partially plantigrade and walked on the whole of the hind foot and the fingers of the hand-wing. [1]

  6. Digitigrade - Wikipedia

    en.wikipedia.org/wiki/Digitigrade

    Plantigrade animals, such as humans, normally walk with the soles of their feet on the ground. Unguligrade animals, such as horses and cattle, walk only on the distal-most tips of their digits. Digitigrade animals walk on their distal and intermediate phalanges; more than one segment of the digit makes contact with the ground, either directly ...

  7. Baby animal — with a ‘distinctive coat’ — born at Florida zoo ...

    www.aol.com/baby-animal-distinctive-coat-born...

    A baby animal with a “distinctive coat” was born at a Florida zoo, photos show. ... “The calf’s patterning will slowly change over the first six months of life to mirror the unique black ...

  8. Takin - Wikipedia

    en.wikipedia.org/wiki/Takin

    A single young is born after a gestation period of around eight months. [2] Takin migrate from the upper pasture to lower, more forested areas in winter and favor sunny spots upon sunrise. [2] When disturbed, individuals give a 'cough' alarm call and the herd retreats into thick bamboo thickets and lies on the ground for camouflage. [8]

  9. Artiodactyl - Wikipedia

    en.wikipedia.org/wiki/Artiodactyl

    These were small animals, some as small as a hare, with a slim build, lanky legs, and a long tail. Their hind legs were much longer than their front legs. The early to middle Eocene saw the emergence of the ancestors of most of today's mammals. [4] Entelodonts were stocky animals with a large head, and were characterized by bony bumps on the ...