Definition of avian in English:



  • Relating to birds.

    ‘avian tuberculosis’
    • ‘For more information, see our new exhibits on vertebrate flight and avian flight.’
    • ‘We suspect that many losses after emergence were due to avian predators.’
    • ‘This applies to explanations for the evolutionary origin of avian feathers and avian flight.’
    • ‘In Germany more than a hundred wild birds have died of avian influenza, most of them on Rügen.’
    • ‘Within each nesting block, we tallied the number of avian nest predators observed.’
    • ‘A giant flightless bird like the dodo is on the extreme end of avian evolution.’
    • ‘When the animal is active on land, circulation approaches the mammalian or avian condition.’
    • ‘Some parts seem to be like bird or avian viruses, while other bits are similar to bovine or murine viruses.’
    • ‘The only bird or avian species we know of is the so-called humble chicken.’
    • ‘A site with a much broader approach to avian information is the Mangoverde World Bird Guide.’
    • ‘According to friends, he enjoys making avian analogies between rare birds and his political allies and enemies.’
    • ‘The unguarded chicks and eggs are easy prey for gulls and other avian predators.’
    • ‘Ambient temperature is commonly thought to influence avian incubation behavior.’
    • ‘Vocalizations during the breeding season, such as song, are common among males of most avian taxa.’
    • ‘We could not identify avian predators to species level from egg damage.’
    • ‘This bird was an escapee of some manner of avian imprisonment, maybe a zoo.’
    • ‘There are probably as many bird phylogenies as there are avian taxonomists.’
    • ‘Detailed information on spacing behavior of avian nest predators is lacking for my study plots.’
    • ‘This recent and exciting discovery is important in understanding avian origins and ancestry.’
    • ‘Ostrom introduced the cursorial predator hypothesis of the origin of avian flight.’


  • A bird.

    • ‘His stony gaze fixed upon the war-wagon; the chirps and squawks of the meadow birds and the cries of the avians of prey were overwhelmed by the grinding of the trail-wheels.’
    • ‘This time of year is ideal for spotting certain boreal or arctic avians in the Northeast United States, thanks to the combination of low temperatures and fallen leaves.’
    • ‘They say too many opportunities exist for close contact between humans and avians, making accidental infection possible.’
    • ‘Over time, songbirds like the robin and other prized avians, including bald eagles and peregrine falcons, ingested enough contaminated prey that they died of DDT poisoning.’
    • ‘Fear that most of the seasonal birds had flown was unfounded, as Harlequin Ducks had been reported recently along with an array of equally enticing avians.’
    • ‘Griffons were pony-sized, quadrupedal avians with such a reputation for savagery that they had been banned from all the Northern mountain provinces.’
    • ‘Many avians are omnivorous and appreciate the kind of high-quality protein provided by bugs on the wing.’
    • ‘Until recently, feathers were the quintessential feature of avians, associated only with flight.’
    • ‘A seminar at Edinburgh University's veterinary center focuses on educating people on the correct way of interacting with highly-strung avians from macaws to budgies.’
    • ‘Following is a complete listing of the endangered avians.’
    • ‘It's been known for some time that birds are descended from dinosaurs, with Archaeopteryx representing one strong link between avians and antiquity.’
    • ‘We need to better understand how all avians (birds and bats) interact with turbines so we can choose better locations for future turbines.’
    • ‘While we've encountered quite a few bird bloggers on the web, avians aren't the only critters being blogged about.’
    • ‘Armed with binoculars, they went in search of avians.’
    • ‘In describing warblers, as I do so lovingly, one can draw upon words like avifauna, avians, birds, songbirds, beautiful birds, and, of course, warblers.’
    • ‘Similarities between primates and avians could be more attributable to homology than to convergence.’
    • ‘Amazing writers, naturalists, and enthusiasts from all over the world have submitted some of their favorite blog posts relating to the interaction between humans and avians and compiled them here for your reading pleasure.’
    • ‘The kingdom of unloved avians is ruled by the trash triumvirate: House Sparrow, European Starling, and Rock Pigeon.’
    • ‘UK ornithologists are able to keep track of these aged avians because the birds are banded, or in British vernacular, ringed.’
    • ‘He's not just talking about pigeons and sparrows either; kiwis, ostriches, penguins, and rare flightless parrots are just a handful of the exotic avians featured in this series.’


Late 19th century: from Latin avis ‘bird’ + -an.