flightless


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flightless

(of certain birds and insects) unable to fly, having secondarily lost the ability. The term is usually applied to birds such as RATITES and penguins.

flightless

see ratite.
References in periodicals archive ?
The different "ratite" species were long thought to have formed as the flightless birds were isolated by the separation of the southern continents over the last 130 million years.
Part of the skeleton of the Alvarezsaurid is similar, superficially, to the Nandu [South American flightless bird] and the same as size as the Nandu.
To eliminate the linkage disequilibrium between the flightless allele and the visible marker, each population was started by placing into each box an open bottle containing 100 flies heterozygous for either ap and se alleles or vg and e alleles (4 boxes each; there is no need to collect unmated flies, because all the flies are heterozygous and all matings in this and consecutive generations are random).
Their wings are comparatively large for a flightless bird and are spread while running, to act like sails.
The setting is Antarctica, the home of the Emperor penguin--tall, flightless birds that each need a "heart song" to attract a mate.
The Penguin, aptly named for its resemblance to the flightless marine bird, transforms water into high-quality sparkling water or soda in less than 30 seconds.
Scientists have been trying to find ways to increase the number of these hefty, green, flightless creatures.
EVENING TELEGRAPH readers have helped to name a flightless owl at a Nuneaton wildlife sanctuary.
The kiwi is the nocturnal and flightless national symbol of New Zealand.
Anyone who has seen the lovely French film "March of the Penguins" knows that these flightless waterfowl are improbably light on their feet, especially in view of their proportions.
Waterbirds, are found on pages 55--87, Seabirds and Shorebirds 89--123, Birds of Prey 124--161, Flightless and Ground Dwelling Birds 162--183, Other Non-Passerine Birds including those Driven to Extinction 184--125, Passerine 126--287, Finches and Seedeating Passerines 289--307.