flightless
ઉડાન
definition
adjective
The flightless birds and insects of such islands had clearly lost a highly complex function.
(of a bird or an insect) naturally unable to fly.
example
The tam is thought to have evolved to survive passage through the gullet of the island's biggest, 'flightless' bird, the dodo.
Whether the 'flightless' birds used their beaks to impale or bludgeon their prey is unknown, Chiappe says.
Penguins are 'flightless' birds that are highly specialized for swimming and diving, and spend much of their life at sea.
Until the late Pleistocene era 11,000 to 50,000 years ago, big, exotic mammals and 'flightless' birds roamed the planet.
Thus spores and minute, winged insects stay suspended longer than seeds and large, 'flightless' insects.
The 'flightless' birds and insects of such islands had clearly lost a highly complex function.
Most of the birds classified in the Palaeognathae are also flightless, but not all 'flightless' birds are classified in the Palaeognathae.
Moas were ratites, 'flightless' birds considered the sister group of all other birds.
Caudipteryx has short forelimbs and a feathered manus and is likely to have been a secondarily 'flightless' bird.
A giant 'flightless' bird like the dodo is on the extreme end of avian evolution.
For example, the cassowary (a large 'flightless' bird) feeds on bright blue and red fruit.
The living ratites (ostriches, emus, kiwis, and the extinct moa) are an ancient lineage of 'flightless' birds.
Cassowaries belong to a primitive group of mainly 'flightless' birds called Palaeognathae.
Rheas are large 'flightless' birds native to South America.
Several people here have argued that Caudipteryx is in fact a 'flightless' bird.
Why do those 'flightless' birds, unique to South America, seem to replace each other in adjoining regions?
The large, 'flightless' moa bird that roamed New Zealand in ancient times grew much more slowly than modern birds, according to a new study of their bones.
Darwin didn't need to put his theories through contortions to account for 'flightless' birds and cave fish.
They acted more like huge 'flightless' birds of prey, than the overgrown bipedal lizards of popular imagination.
The kakapo, a 'flightless' bird, was particularly vulnerable to predators.
At this time the males molt their feathers and go through a month-long period of 'flightlessness' while their new feathers grow in.
I take delight in the power of natural selection, and it would have given me satisfaction to report that the ratites evolved their 'flightlessness' separately in different parts of the world, in the same way that the dodo did.
Numerous recessive lethal and sublethal mutations have been reported, as well as a few mutations causing 'flightlessness' .
As long as females are abundant and brachypterous, such that males do not have to fly to locate mates, brachyptery in males should be favored due to the inherent siring advantage associated with 'flightlessness' .
If 'flightlessness' has evolved in so many independent lineages of modern birds, why should a similar event surprise us merely because it occurred soon after the origin of birds?
The diversity of glandless taxa has puzzled researchers, who have been unable to correlate the presence or absence of a gland with factors such as distribution, climate, ecology, or 'flightlessness' .
Irrespective of the pattern of colonization, 'flightlessness' probably evolved separately in the subantarctic teals.
Small body size, 'flightlessness' , mechanical sound production, and demanding flight were associated with changes in taxic state.
Although this chapter does not include a discussion of when and where certain key seabird traits evolved (e.g. 'flightlessness' or wing-propelled diving), it provides the reader with a strong foundation in seabird paleontology.
Additionally, unique or unusual wing uses (nonflight functions such as visual or acoustic display, swimming, 'flightlessness' , etc.) were also searched for in the natural histories of taxa in which state changes had occurred.
Credits: Google Translate
