flightless
উড়তে পারে না এমন
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.
translation of 'flightless'
উড়তে পারে না এমন পাখি
example
Most of the birds classified in the Palaeognathae are also flightless, but not all 'flightless' birds are classified in the Palaeognathae.
Why do those 'flightless' birds, unique to South America, seem to replace each other in adjoining regions?
The living ratites (ostriches, emus, kiwis, and the extinct moa) are an ancient lineage of 'flightless' birds.
A giant 'flightless' bird like the dodo is on the extreme end of avian evolution.
Several people here have argued that Caudipteryx is in fact a 'flightless' bird.
The tam is thought to have evolved to survive passage through the gullet of the island's biggest, 'flightless' bird, the dodo.
For example, the cassowary (a large 'flightless' bird) feeds on bright blue and red fruit.
The kakapo, a 'flightless' bird, was particularly vulnerable to predators.
Darwin didn't need to put his theories through contortions to account for 'flightless' birds and cave fish.
Thus spores and minute, winged insects stay suspended longer than seeds and large, 'flightless' insects.
Moas were ratites, 'flightless' birds considered the sister group of all other birds.
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.
Cassowaries belong to a primitive group of mainly 'flightless' birds called Palaeognathae.
Penguins are 'flightless' birds that are highly specialized for swimming and diving, and spend much of their life at sea.
They acted more like huge 'flightless' birds of prey, than the overgrown bipedal lizards of popular imagination.
Until the late Pleistocene era 11,000 to 50,000 years ago, big, exotic mammals and 'flightless' birds roamed the planet.
Whether the 'flightless' birds used their beaks to impale or bludgeon their prey is unknown, Chiappe says.
The 'flightless' birds and insects of such islands had clearly lost a highly complex function.
Rheas are large 'flightless' birds native to South America.
Caudipteryx has short forelimbs and a feathered manus and is likely to have been a secondarily 'flightless' bird.
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.
At this time the males molt their feathers and go through a month-long period of 'flightlessness' while their new feathers grow in.
Irrespective of the pattern of colonization, 'flightlessness' probably evolved separately in the subantarctic teals.
Numerous recessive lethal and sublethal mutations have been reported, as well as a few mutations causing 'flightlessness' .
Among island birds, 'flightlessness' made them especially vulnerable to introduced predators.
Alongside it are exhibits demonstrating the impacts of island isolation and the evolution of large size and 'flightlessness' among New Zealand's birds.
After incubation begins, the males migrate to molting grounds where they gather and go through a period of 'flightlessness' .
Remarkably, mutation of either results in the same spectrum of phenotypes: mutants exhibit reduced viability, abnormal wing and mechanosensory bristle morphology, female sterility, and '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 adaptations the dodo made for island living - 'flightlessness' and gigantism - have made understanding its evolutionary history and classifying it based on body characteristics difficult.
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