At sexual maturity ( two to four years ), male Ostriches can be from in height, while female Ostriches range from tall.

Ostriches can run at a speed over and can cover in a single stride.

Unlike the widely known flightless Palaeognathae, Ratites such as Ostriches and Emus, Tinamous can fly, although in general they are not strong fliers.

Ostriches share the order Struthioniformes with the kiwis, emus, rheas, and cassowaries.

The diet of Ostriches mainly consists of plant matter, though it also eats invertebrates.

Ostriches usually weigh from, Ostriches of the East African race ( S. c. massaicus ) averaged in males and in females, while the nominate subspecies was found to average in unsexed adults.

Exceptional male Ostriches ( in the nominate subspecies ) have been weighing up to.

At one year of age, Ostriches weigh around.

The head and neck of both male and female Ostriches is nearly bare, with a thin layer of down.

Mitochondrial DNA haplotype comparisons suggest that it diverged from the other Ostriches not quite four mya due to formation of the East African Rift.

There were 19th century reports of the existence of small Ostriches in North Africa ; these are referred to as Levaillant's Ostrich ( Struthio bidactylus ) but remain a hypothetical form not supported by material evidence.

Apart from this enigmatic bird, the fossil record of the Ostriches continues with several species of the modern genus Struthio which are known from the Early Miocene onwards.

While the relationship of the African species is comparatively straightforward, a large number of Asian species of Ostrich have been described from fragmentary remains, and their interrelationships and how they relate to the African Ostriches is confusing.

In China, Ostriches are known to have become extinct only around or even after the end of the last ice age ; images of Ostriches have been found there on prehistoric pottery and petroglyphs.

This star, along with η Cet ( Deneb Algenubi ), θ Cet ( Thanih Al Naamat ), ζ Cet ( Baten Kaitos ), and υ Cet, were Al Naʽāmāt ( ألنعامة ), the Hen Ostriches.

* Fantasia: Chernabog, Yen Sid, Hop Lo, the Mushrooms, the Ostriches, the Cupids, one of the Centaurettes, Bacchus, Jacchus, and the Bald Mountain Ghosts.

Ostriches, however, were already well known in Biblical times.

Another enclosure will house Grévy's Zebras along with Grey Crowned Cranes Ostriches, Marabou Stork, and other birds.

Alligators differ from crocodiles principally in having wider and shorter heads, with more obtuse snouts ; in having the fourth, enlarged tooth of the under jaw received, not into an external notch, but into a pit formed for it within the upper one ; in lacking a jagged fringe which appears on the hind legs and feet of the crocodile ; in having the toes of the hind feet webbed not more than half way to the tips ; and an intolerance to salinity, alligators strongly preferring fresh water, while crocodiles can tolerate salt water due to specialized glands for filtering out salt.

The hybrids are able to adapt to year round watering and fertilization but can also tolerate completely dry summer conditions if need be.

This chart shows that not all fish, shellfish, or the insects that they eat can tolerate the same amount of acid ; for example, frogs can tolerate water that is more acidic ( i. e., has a lower pH ) than trout.

Bistability can be modified to be more robust and to tolerate significant changes in concentrations of reactants, while still maintaining its " switch-like " character.

The family is largely composed of plants that can tolerate acid, infertile conditions.

Facultative anaerobe can tolerate anaerobic and aerobic condition, however an obligate anaerobe would die in presence of even trace levels of oxygen.

Application of FIM, like FEM, is limited by the materials which can be fabricated in the shape of a sharp tip, can be used in an ultra high vacuum ( UHV ) environment, and can tolerate the high electrostatic fields.

The wall face is often of precast, segmental concrete units that can tolerate some differential movement.

When the Saxons can no longer tolerate the assaults of the Britons, they send out Vortigern to his son Vortimer, asking for safe return back to Germania.

Even if it can be found in the works of ancient poets, we no longer tolerate it .” The longest kenning found in skaldic poetry occurs in Hafgerðingadrápa by Þórður Sjáreksson and reads nausta blakks hlé-mána gífrs drífu gim-slöngvir “ fire-brandisher of blizzard of ogress of protection-moon of steed of boat-shed ”, which simply means " warrior ".

Piper species have a pantropical distribution, and are most commonly found in the understory of lowland tropical rainforests, but can also occur in clearings and in higher elevation life zones such as cloud forests ; one species ( Japanese Pepper, P. kadsura, from southern Japan and southernmost Korea ) is subtropical and can tolerate light winter frost.

Balanced, differential, serial connections such as USB, RS-422 and RS-485 can tolerate larger ground voltage differences because of the differential signaling.

Real-time multimedia streaming applications require timely delivery of information and can tolerate some packet loss to achieve this goal.

They are calmer and less likely to bite ; they can tolerate greater crowding ; they breed earlier and produce more offspring ; and their brains, livers, kidneys, adrenal glands, and hearts are smaller ( Barnett 2002 ).

Some varieties can also tolerate marine climates and are cultivated as far north as Pembrokeshire in the British mainland and Washington in the United States.

It can also tolerate high concentrations of salt and heavy metals, and is being investigated for its potential as a heavy metal biosorbent.

They can even tolerate snow and subzero temperatures.

Because of the cliff effect, it can be difficult for users to tell if a particular system is right on the edge of failure, or if it can tolerate much more noise before failing.

Curly hair, high cheekbones, wide gnomelike mouth, a pair of drummer's blocky hands, and a body that said well, maybe I can wrestle you for ten minutes -- but then I'm finished.

In fact, I can only say this seems to me to follow from a wide, continuous, and properly guided exposure to literary art.

During nighttime hours, because of the intense skywave propagation then prevailing, no large number of stations can be permitted to operate on one of these channels, if the wide area service for which these frequencies are assigned is to be rendered satisfactorily by the dominant stations which must be relied upon to render it.

Our pools also have wide, shallow steps -- for the benefit of the littlest swimmers who can thus be introduced to the water with far greater safety than a ladder affords.

The push-up itself can be taught by starting at the top of the push-up with legs spread wide.

There is a fairly wide selection of models of English, German and French manufacture from which you can choose from the very small Austin 7, Citroen 2 CV, Volkswagens, Renaults to the 6-passenger Simca Beaulieu.

Systems which detect submarines over wide areas are attractive, although they can be only `` burglar alarms ''.

The low cost and ease of fabrication of the dies for three-dimensional foam cutting plus the wide variety of shapes, dimensions, and contours that can be tailor-made to customer requirements has made the technique useful for producing case liners, materials handling containers, packaging and cushioning devices, and such novelties as soap dishes, toys, head rests, arch supports, and gas pedal covers.

At a minimum, recording -- usually on tape, which is now in wide professional use -- brings the psychiatric interview alive so that the full range of emotion and meaning can be explored repeatedly by the therapist or by a battery of therapists.

We know that actors can learn to portray a wide variety of character roles.

He was also pleased with the wide distribution because he thought it proved again his argument that Dallas investment men can do just as good a job as the big New York investment bankers claim only they can do.

Its wide use can be attributed to its simplicity of design and manufacture, and the economy of creating it.

There is a wide variety of representations possible and one can express a given Turing machine program as a sequence of machine tables ( see more at finite state machine, state transition table and control table ), as flowcharts ( see more at state diagram ), or as a form of rudimentary machine code or assembly code called " sets of quadruples " ( see more at Turing machine ).

The proof of the independence result also shows that a wide class of mathematical statements, including all statements that can be phrased in the language of Peano arithmetic, are provable in ZF if and only if they are provable in ZFC.

The hills just east of downtown showcase the eroded remains of the five mile ( 8 km ) wide impact crater that was blasted into the bedrock, with the area labeled the Wetumpka crater or astrobleme (" star-wound ") for the concentric rings of fractures and zones of shattered rock can be found beneath the surface.

Similar to the United States, there is a wide range of the type of Assault that can occur.

This can result either in some variations becoming extinct ( for instance, the wireless, being progressively superseded by the radio ) or in the acceptance of wide variations as " perfectly good English " everywhere.

Arabic Art includes a wide range or artistic components, it can be Arabic miniature, calligraphy or Arabesque.

Activism can take a wide range of forms from writing letters to newspapers or politicians, political campaigning, economic activism such as boycotts or preferentially patronizing businesses, rallies, street marches, strikes, sit-ins, and hunger strikes.

Ethylene-vinyl acetate based hot-melts are particularly popular for crafts because of their ease of use and the wide range of common materials they can join.

Analog computers can have a very wide range of complexity.

Alkenes serve as a feedstock for the petrochemical industry because they can participate in a wide variety of reactions.

Because of the wide variety of evidence, which can include artefacts as well as sites, there is no one way to practice archaeoastronomy.

Long-term misuse of alcohol can cause a wide range of mental health problems.