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Bird measurement or bird biometrics are approaches to quantify the size of birds in scientific studies. The measurements of the lengths of specific parts and the weights of birds varies between species, populations within species, between the sexes and depending on age and condition. In order for measurements to be useful, they need to be well defined so that measurements taken are consistent and comparable with those taken by others or at other points of time. Measurements can be useful to study growth, variation between geographically separated forms, identify differences between the sexes, age or otherwise characterize individuals birds. While certain measurements are regularly taken in the field to study living birds some others are applicable only to specimens in the museum or measura

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  • Bird measurement or bird biometrics are approaches to quantify the size of birds in scientific studies. The measurements of the lengths of specific parts and the weights of birds varies between species, populations within species, between the sexes and depending on age and condition. In order for measurements to be useful, they need to be well defined so that measurements taken are consistent and comparable with those taken by others or at other points of time. Measurements can be useful to study growth, variation between geographically separated forms, identify differences between the sexes, age or otherwise characterize individuals birds. While certain measurements are regularly taken in the field to study living birds some others are applicable only to specimens in the museum or measurable only in a laboratory. The conventions used for measurement can vary widely between authors and works, making comparisons of sizes a matter that needs considerable care. (en)
  • Измерение птиц проводится для определения размерно-весовых характеристик птиц, различных частей их тела при орнитологических исследованиях. Иными словами, это количественная оценка размера птиц в научных исследованиях. Результаты измерения длины отдельных частей тела и веса птиц могут отличаться в зависимости от вида, популяции внутри вида, между полами и в зависимости от возраста и состояния птиц. Для использования в научных целях измерения должны быть чётко определены, так, чтобы они были последовательными и сопоставимыми с измерениями, проведёнными другими людьми или в другие моменты времени. Измерения могут быть полезны для изучения роста, выявления различий между географически разделёнными формами, полами, птицами разных возрастов, или определения индивидуальных характеристик разных особей птиц. В то время как некоторые измерения регулярно проводятся в полевых условиях при изучении живых птиц, некоторые другие применимы только к музейным образцам или могут быть осуществлены только в лаборатории. Условные обозначения, используемые для измерения, могут сильно различаться у разных авторов и в разных работах, что делает сравнение размеров вопросом, требующим большой осторожности. (ru)
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  • Bird measurement or bird biometrics are approaches to quantify the size of birds in scientific studies. The measurements of the lengths of specific parts and the weights of birds varies between species, populations within species, between the sexes and depending on age and condition. In order for measurements to be useful, they need to be well defined so that measurements taken are consistent and comparable with those taken by others or at other points of time. Measurements can be useful to study growth, variation between geographically separated forms, identify differences between the sexes, age or otherwise characterize individuals birds. While certain measurements are regularly taken in the field to study living birds some others are applicable only to specimens in the museum or measura (en)
  • Измерение птиц проводится для определения размерно-весовых характеристик птиц, различных частей их тела при орнитологических исследованиях. Иными словами, это количественная оценка размера птиц в научных исследованиях. (ru)
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  • Bird measurement (en)
  • Измерение птиц (ru)
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