Though many species — such as the moa, a giant flightless bird, and the Haast's eagle, with its impressive 10 - foot wing span — have gone extinct since European settlers arrived, countless others remain, such as the kakapo, the world's heaviest parrot (which is
also flightless) and the tuatara, a reptile that was a contemporary of the dinosaurs and is now the last of its kind.
The birds were
also flightless.
(A Detroit Free Press contest has proposed a replacement: Emu, which, while acronymically apropos, is
also a flightless, ostrichlike bird.)
Not exact matches
Many vestigial structures
also exist, showing links back to evolutionary history, like hind limbs on snake fossils, pelvises on modern whales, wings on
flightless birds, and tails and extra ribs on humans.
Scientists are
also close to reconstructing the genomes of the dodo, the
flightless bird that went extinct from Mauritius, its only home, in the late 1600s; and the great auk, which lived in the North Atlantic before dying out in the mid-19th century.
The team
also found that the
flightless cormorants have an abnormally high number of genetic mutations affecting cilia — small, hair - like structures that protrude from cells and regulate everything from normal development to reproduction.
Since some birds are
flightless, this not only makes them more threatened by the cats, but
also their chicks because they are ground nesters.
Try flight of the penguins: As if our
flightless - fowl friends haven't had enough to deal with of late, the warming of the Antarctic Peninsula during the past few decades is
also forcing penguin populations to migrate south.
It was bad enough that this irreplaceable species, Raphus cucullatus, was quickly driven to extinction in the 17th century thanks to man's folly — the
flightless birds that lived on the island of Mauritius in the Indian Ocean were last seen in 1662 — but the poor things have
also suffered the fate of a maligned legacy.