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Ratites (/ˈrætaɪts/) are a
polyphyletic group consisting of all
birds within the
infraclass Palaeognathae that lack
keels and
cannot fly. They are mostly...
- This is a list of
ratites.
Extinct (EX) – No
known living individuals Extinct in the wild (EW) –
Known only to
survive in captivity, or as a naturalized...
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ability to fly.
There are over 60
extant species,
including the well-known
ratites (ostriches, emus, c****owaries, rheas, and kiwis) and penguins. The smallest...
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extant orders of
flightless lineages (plus two that are extinct),
termed ratites, and one
flying lineage, the
Neotropic tinamous.
There are 47
species of...
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representatives are
often known as
ratites), and
their closest living relatives are kiwi (found only in New Zealand),
suggesting that
ratites did not
diversify by vicariance...
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sister group to
ratites. The nine
species of moa were the only
wingless birds,
lacking even the
vestigial wings that all
other ratites have. They were...
- infra-class Palaeognathae, a
diverse group of
flightless birds also
known as
ratites that
includes the emus, rheas, c****owaries,
kiwis and the
extinct elephant...
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Elephant bird was a
ratite; it
could not fly, and its
breast bone had no keel.
Because Madagascar and
Africa separated before the
ratite lineage arose, Aepyornis...
- (/ˈæptərɪks/).
Approximately the size of a
domestic chicken, kiwi are the
smallest ratites (which also
include ostriches, emus, rheas, c****owaries and the extinct...
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species that many have lost the
ability to fly. This has
occurred in
several ratites including the kiwi and the c****owary as well as in the dodo and the kākāpō...
