habitual bipeds. Optional bipeds can move on two or four legs. Early quadruped animals used all four limbs for locomotion but many later ones are bipedal. The...

genius of biped bolosaurid (a reptile) from the early Permian some 290 million years ago of Germany. Eudibamus is claimed to be the first bipedal vertebrate...

†Herrerasauria (early bipedal carnivores) †Guaibasauridae (small, primitive, omnivorous sauropodomorphs) †Plateosauridae (primitive, bipedal "prosauropods")...

in the Jurassic. Early members, such as Psittacosaurus, were small and bipedal. Later members, including Centrosaurus and Triceratops, became very large...

from 231.4 million years ago, was bipedal. That means the dinosaurs were bipedal from the start (primatively bipedal). Only the heavier sauropods and armoured...

humans have two legs, but many animals have four or six or even more. A biped is an animal with two legs and quadruped is an animal with four legs. Centipedes...

Scutellosaurus was a small bipedal herbivorous dinosaur from the Lower Jurassic period, 200–196 million years ago. It was about a metre long. Its back...

stand on two legs. All early dinosaurs and many later ones were bipedal. All birds are bipedal; only the large herbivore dinosaurs went back to walking on...

thought it was related to Saurolophus. It was a herbivore that walked both as biped and a quadruped. It probably lived in herds. Parasaurolophus was a hadrosaur...

years ago. It was more basal than other members of the Ceratopsia: it was bipedal, and had no horns or frill on its head. What made it a ceratopsian was...

(basal) form of locomotion was bipedal. However, from early in their evolutionary history, they were capable of both bipedal and quadrupedal locomotion....

portrayed by Peter Mayhew. Chewbacca is a Wookiee, a fictional species of bipeds in the Star Wars universe. This short article about movies can be made longer...

Theropods ('beast foot') are a group of bipedal saurischian dinosaurs. Although they were primarily carnivorous, a number of theropod groups evolved herbivory...

into these groups: Various early herbivores which could be quadrupedal or bipedal. Examples: the lightly armoured: Scutellosaurus, and Scelidosaurus. Ankylosauria...

environment. Procompsognathus may have been about one meter long (3.3 ft), A biped, Procompsognathus had long hind legs, short arms, large clawed hands, a...

were bipedal hominids that lived in the Pliocene–Pleistocene epochs. Australopithecines had ape-like and human-like qualities. They were mainly bipedal, like...

It had two large sickle-like claws on each hand. It was a lightly built biped, with a large head and sharp, serrated teeth in powerful jaws. The first...

Its remains were found in Argentina. The animal was a fairly large, lightly built, bipedal, land-based carnivore. It grew up to 6.6 m (21.7 ft) long....

ornithischian dinosaurs, called ornithopods, that started out as small, bipedal running grazers and grew in size and numbers until they became one of the...

during the Early Jurassic Period. Its fossils were found in China. It was a bipedal carnivore. It was approximately 5.6 meters long. This short article about...

quadrupedal animal, but slightly later footprints show that moderately large bipedal dinosauromorphs had appeared by 246 mya. The Permian-Triassic extinction...

dinosaur from the Upper Triassic of what is now South America. It was a bipedal herbivore described by Argentine paleontologist Rodolfo Casamiquela in...

from the Middle Jurassic period of what is now South America. It was a bipedal carnivore that probably reached 6.5 metres (21 ft) in length. The discovery...

"well-reversed vertebrae") was a megalosaurid tetanuran theropod (a large, bipedal meat-eater) about 23-30 ft (7-9 m) long, weighing about 440-550 pounds...

have been named. The remains were found in South Africa. The dinosaur was bipedal. It was probably a plant eater (herbivore). Bonnan, Matthew F. & Phil Senter...

locations for apes. It is directly correlated with locomotion ( Humans are bipedal, monkeys quadrupedal and apes are knuckle walkers. ) This short article...

129-132 Kenneth Carpenter; Peter M. Galton (2018). "A photo documentation of bipedal ornithischian dinosaurs from the Upper Jurassic Morrison Formation, USA"...

theropod dinosaur from the Middle Jurassic of northern Africa. It was a bipedal meat-eating predator with long bladelike teeth. Fossils have been found...

Coelurus (meaning "hollow") is a poorly known genus. It was perhaps a bipedal theropod dinosaur 6 feet (1.8 m) long, weighing roughly 20 kg. Its femur...

Details of its anatomical features are unknown. It would have been a bipedal carnivore of moderate size for a dinosaur. von Huene, F. (1923). Carnivorous...

(meaning "small hunter") was a small, fast-moving, long-legged, meat-eating, bipedal dinosaur about 4 ft. (1.2 m) long, weighing perhaps 6.5-14 pounds (3-6...

cheek teeth. Nanosaurus may have had cheek pouches. This plant eater was bipedal (walked on two legs). It had thin legs and a stiffened tail that gave it...

theropod dinosaur from the Late Cretaceous of Madagascar. Its a small, bipedal, meat-eating dinosaur that had forward-pointing teeth, a long neck, and...

subgroups: Theropoda and Sauropodomorpha. Theropods are represented by bipedal, primarily carnivorous dinosaurs (such as Tyrannosaurus and Velociraptor)...

predator with 9-15 inch (23-38 cm) middle-toe claws. It was a large, agile, bipedal (walked on two legs), bird-like dinosaur. It had a curved, flexible neck...

and forests. They are all capable of saltation, which is jumping from a bipedal stance. This feature is most highly evolved in the desert-dwelling jerboas...

hominid primates. It is used by some anthropologists to include the upright biped apes, including the genus Homo. If an anthropologist wants to includes chimpanzees...

Spinosaurus. In the past, it was thought that Spinosaurus aegyptiacus was bipedal. By 2014, some scientists believed that Spinosaurus aegyptiacus was quadrupedal...

children for many years until they can do so for themselves. Humans are bipedal, which means they walk on two legs. Humans have complex brains, which is...

possible basal coelurosaur, Calamosaurus would have been a small, agile, bipedal carnivore. Naish et al 2001. estimate the living animal would have been...

Platypus, also known as Perry or Agent P is a fictional anthropomorphic bipedal platypus created by Dan Povenmire and Swampy Marsh for the animated television...

dinosaur footprints including Ichnotaxon such as Grallator and Atreipus (bipedal theropods) and Anomoepus. Triassic to Recent termite mounds, which can...

those two legs when moving fast. Whether it hopped on two legs or ran bipedally is still a matter of debate. It had a long, bare tail which acted as a...

famous relative T. rex. It may have been an ancestor of Tyrannosaurus. This bipedal hunter lived in marshes by streams in what is now Alberta, Canada, during...

described by paleontologist Henry F. Osborn in 1903. Ornitholestes was a bipedal runner. Its small head suggests it ate small mammals, lizards, frogs, and...

This was the first fossil to show that humanity's ancestors had been bipedal (walking on two legs) for over 3 million years. Encouraged by this find...

have only one lung. And, of course, dinosaurs were bipedal to start with, and most groups stayed bipedal to the end. Lizards run in short bursts with brief...

Hemisphere, all of them being found in North America and Asia.They were all bipedal, herbivorous/omnivorous animals with thick skulls. Skulls can be domed...

afrarensis hominin. Detailed footprint analysis compared both human and bipedal animals such as bears and primates. Gaits (stride pattern) and foot structure...

(19 mph) has been suggested. The animal was, like all early dinosaurs, bipedal. The forelimbs were much shorter than the hindlimbs, ending in hands with...

contains all such (and only) such living creatures. Humans and penguins are bipedal, and hence are in the orange circle, but since they cannot fly, they appear...

possibly the largest carnivore of all time, was a large, heavily-built, bipedal carnivore. It grew to 9 to 11 meters in length and an estimated weight...

laid their eggs in the same places year after year, and were followed by bipedal theropods who preyed on them. Their breeding grounds had many thousands...

the genus Homo. This means it is an early ancestor of modern man. It was bipedal (it could walk on two feet), and it made and used stone tools. Not all...

two feet. All of these traits convinced Dart that the Taung baby was a bipedal human ancestor, a transitional form between apes and humans. It took another...

not adapted for climbing. Like most small dinosaurs, Hypsilophodon was bipedal and ran on two legs. Its entire body was built for running; a light-weight...

from the Lower Jurassic of what is now southern Africa. It was a small bipedal herbivore or omnivore, about 1.2 meters (4 feet) long, and weighing less...

event, which wiped out half of all species on Earth. Tyrannosaurus was a bipedal carnivore with a massive skull balanced by a long, heavy tail. Compared...

to the species' extraordinary jumping ability, as well as its habit of bipedal locomotion. The two species are: Pale Kangaroo Mouse - Microdipodops pallidus...

The three-toed hind limbs were long and thick, supporting the body in a bipedal posture. The long, heavy tail served as a counterweight to the head and...

exceptional climbing skills, and are the only viverrids that are able to stand bipedally. They are able to walk, trot, run, climb up and down trees, and jump....

Mi Bae; Anthony Romilio (June 11, 2020). "Trackway evidence for large bipedal crocodylomorphs from the Cretaceous of Korea". Scientific Reports. 10 (1):...

tools and spaces; working with humans, for experiments, such as studying bipedal (two-legged) locomotion or dangerous experiments; and more. Generally,...

than parts of the skull. It is unknown if Sahelanthropus tchadensis was bipedal (walked on two legs). The placement of the foramen magnum suggests they...

66 million years ago. Like other pachycephalosaurids, Stygimoloch was a bipedal herbivore with short forelimbs and a thick, domed skull, likely used in...

tyrannosaurids in the northern continents. Carnotaurus was a lightly built, bipedal predator, about 4.6 m (16 ft) tall, 7.5–8 m (24.6–26.2 ft) in length and...

that were among the earliest dinosaurs. Herrerasaurus was a lightly built bipedal carnivore with a long tail and a relatively small head. Its length is estimated...

pangopup is out of the womb. When walking on a level surface the pangolin is bipedal. It walks on the back legs. Its body is held horizontal, and is balanced...

Relatives". www.science.org. Retrieved 2025-12-16. Braccini, E. (2010). "Bipedal tool use strengthens chimpanzee hand preferences". Journal of Human Evolution...

Anatomy) and animals For humans, and other animals which stand on two feet (bipeds), terms used are different from animals which stand on four (quadrupeds)...

Fish vs. Cephalopods Will Fast Growing Squid Replace Slow Growing Fish? Bipedal Octopuses with links to video and original paper Archived 2006-02-09 at...

North America, and into Mexico. As a hadrosaurid, Lambeosaurus was a large bipedal/quadrupedal herbivore, eating plants. It had a sophisticated skull that...

meant it must be a herbivore, and its shorter front legs meant it could be bipedal (walk on two legs). This was denied by Richard Owen, who did a good deal...

result of the birth compromise. Much of the issue comes from our upright bipedal stance, without which our pelvis could be shaped more suitably for birth...

reptile named after the group known as mosasaurs. Bistahieversor - A large bipedal carnivore. Suskityrannus - An early tyrannosaurid that is already extinct...

at the rear of the skull, in humans near the middle. The foramen of a bipedal ape would be expected to be more like humans. These footprints have been...

2011-05-16. Retrieved 2013-06-11. Wheeler P.E. 1984. The evolution of bipedality and loss of functional body hair in hominids. Human evolution 13, 91–98...

Denisovans   ← Earlier apes ← Gorilla split ← Chimpanzee split ← Earliest bipedal ← Earliest sign of Ardipithecus ← Earliest sign of Australopithecus ← Earliest...

fast-talking, wisecracking and self-absorbed yet loyal and trustworthy bipedal meerkat who becomes one of Simba's best friends. Ernie Sabella as Pumbaa...

C. Owen; McCollum, Melanie A. (2010-10-27). "Spinopelvic pathways to bipedality: why no hominids ever relied on a bent-hip–bent-knee gait". Philosophical...

descended from the genus Australopithecus. All species of Paranthropus were bipedal. Many lived at the same time as species of the genus Homo, such as Homo...

before Ar. ramidus and was probably its ancestor. Ar. kadabba may have been bipedal. Their bodies and brains were probably a similar size to modern chimpanzees'...

preserved in volcanic ash in Tanzania, they are the earliest record of bipedal gait. He is also the father of paleoanthropologist Richard Leakey and the...

Dragon/Ice-type Pokémon known as the Boundary Pokémon. It resembles a large bipedal gray dragon with various icy appendages. Kyurem has been shown in two forms...

adaptation for walking upright. This suggests that Ar. kadabba may have been bipedal. Their bodies and brains were probably a similar size to modern chimpanzees'...

consequences of the gradual pithecanthropoid and anthropoid adoption of the erect bipedal walking gait, and the simultaneous development of a larger anthropoid brain...

smaller than all known hominins we have found in the past. A. deyiremeda was bipedal. However, it probably also spent time in the trees, based on its foot anatomy...

vaned, wing and tail feathers. Like other theropods, dromaeosaurs were bipedal; that is, they walked on their hind legs. Other theropods walked with three...

pounds). On average, males were 20% bigger than females. H. naledi was bipedal: it walked upright, on two feet. Still, it was better adapted to climbing...

restorations. Another result of modern fossil finds is the balance of bipedal dinosaurs. Dinosaurs, we now know, moved with their body almost horizontal...

anamensis had a combination of human-like and ape-like traits. It was bipedal: it regularly walked upright. However, its long arms and wrist bones suggest...

Denisovans   ← Earlier apes ← Gorilla split ← Chimpanzee split ← Earliest bipedal ← Earliest sign of Ardipithecus ← Earliest sign of Australopithecus ← Earliest...

adaptation that has shown a trade-off is that as humans have evolved to become bipedal, the pelvis has changed to make childbirth harder Another adaptation that...

with Evolutionary Algorithms (PDF) "Flexible Muscle-Based Locomotion for Bipedal Creatures". Evans, B.; Walton, S.P. (December 2017). "Aerodynamic optimisation...

-31, -32, -33, -35, -36, -38 Found at Allia Bay. Earliest evidence of bipedal gait. Australopithecus boisei 2.1-1.1 mya. 406, 729, 13750, 23000, 732...

portmanteau of "char", meaning burnt, and "salamander". Charmander are small, bipedal lizard-like Pokémon native to Kanto. They have blue eyes, orange skin,...

Eastern United States Lizard Man of Scape Ore Swamp Lizard Man of Lee County Bipedal South Carolina, United States Malagasy hippo Malagasy pygmy hippopotamus...