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Samuel D., Australian physician, 1833-1904. See: Bird sign.


a. Any of various warm-blooded egg-laying feathered vertebrates of the class Aves, having forelimbs modified to form wings.
b. Such an animal hunted as game.
c. Such an animal, especially a chicken or turkey, used as food: put the bird in the oven.

bird′ing n.


Abbreviation for:
Bolus vs Infusion Rescupase Development


a vertebrate organism belonging to the class Aves and characterized by the presence of feathers, the modification of the forelimbs as wings (usually for flying), a bill or beak without teeth in the jaws, internal fertilization, calcareous shelled egg(s) incubated outside the body and the ability to control body temperature.

Birds are now thought to be closely related to Theropod DINOSAURS and in fact can be considered to be living dinosaurs. See FEATHER.


any feathered vertebrate. See also feather, avian and under specific groupings such as companion animal, game, raptor, ratite birds and waterfowl.

bird bug
a number of bugs in the family Cimicidae (order Hemiptera) which infest birds. See haematosiphon, oeciacus vicarius, ornithodorus.
bird cherry
Prunus pennsylvanica, P. padus.
bird dog
a dog trained to hunt birds.
domesticated bird
includes groups of birds brought under close control by humans, for purposes of communication (e.g. pigeons), clothing and furnishing (e.g. duck, peacock), sport (e.g. hawks), garden ornaments (e.g. peacock), companionship (e.g. canary) and food (e.g. commercial poultry, turkey, duck, goose used for meat and eggs).
bird-fancier's lung
a pulmonary disease in humans caused by an acquired inhalant hypersensitivity to birds usually kept as pets or commercially so that large numbers and high exposure is likely. The antigen is believed to be in the dander or droppings of pigeons, budgerigars, chickens and turkey. Called also bird-breeder's lung, pigeon-breeder's lung. See also farmer's lung.
bird flea
bird louse
members of the order mallophaga. Includes Amyrsidea, Anaticola, Anatoecus, Bonomiella, Campanulotes, Chelopistes, Ciconiphilus, Clayia, Coloceras, Colpocephalum, Columbicola, Cuclogaster, Gonioctes, Goniodes, Hohorstiella, Holomenopon, Lagopoecus, Lipeurus, Menacanthus, Menopon, Numidicola, Ornithobius, Oxylipeurus, Physconelloides, Somaphantus, Trinoton.
bird malaria
bird of prey
see raptor.
bird repellent
materials used to repel birds and avoid losses to crops. Usually refers to chemicals which are mixed with grain. If mammals ingest the baits accidentally they may be poisoned. See also 4-aminopyridine.
bird tick
see haemaphysalischordeilis, argas.
bird tongue
lethal autosomal recessive trait described in dogs in which the tongue is narrow and folded on itself medially. Affected pups are unable to swallow and die within 3 days of birth.

Patient discussion about bird


A. It infected few people working with chickens, it can

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