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| Harrier (bird) ： ウィキペディア英語版 |
A harrier is any of the several species of diurnal hawks forming the Circinae sub-family of the Accipitridae family of birds of prey. Harriers characteristically hunt by flying low over open ground, feeding on small mammals, reptiles, or birds. The young of the species are sometimes referred to as ring-tail harriers.==Details==Most harriers are placed in the genus ''Circus'', the scientific name arising from the circling movements female and male make when courting. Two other harriers are in the genus ''Polyboroides'', the ''harrier-hawks'', which are allopatric (geographically separated) and restricted to the Afrotropic ecozone. The remaining single species forms the monotypic genus ''Geranospiza''.===Ring-tails===harrier ) article; caution. -->''Ring-tail'' is an informal term used by birders for the juveniles and females of several harrier species when seen in the field and not identifiable to an exact species. Ring-tail harriers include the juveniles and females of Montagu's harrier (''Circus pygargus''); northern or hen harrier (''Circus cyaneus''); and pallid harrier (''Circus macrourus'').
A harrier is any of the several species of diurnal hawks forming the Circinae sub-family of the Accipitridae family of birds of prey. Harriers characteristically hunt by flying low over open ground, feeding on small mammals, reptiles, or birds. The young of the species are sometimes referred to as ring-tail harriers.
==Details==
Most harriers are placed in the genus ''Circus'', the scientific name arising from the circling movements female and male make when courting. Two other harriers are in the genus ''Polyboroides'', the ''harrier-hawks'', which are allopatric (geographically separated) and restricted to the Afrotropic ecozone. The remaining single species forms the monotypic genus ''Geranospiza''.
===Ring-tails===
''Ring-tail'' is an informal term used by birders for the juveniles and females of several harrier species when seen in the field and not identifiable to an exact species. Ring-tail harriers include the juveniles and females of Montagu's harrier (''Circus pygargus''); northern or hen harrier (''Circus cyaneus''); and pallid harrier (''Circus macrourus'').
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「A harrier is any of the several species of diurnal hawks forming the Circinae sub-family of the Accipitridae family of birds of prey. Harriers characteristically hunt by flying low over open ground, feeding on small mammals, reptiles, or birds. The young of the species are sometimes referred to as ring-tail harriers.==Details==Most harriers are placed in the genus ''Circus'', the scientific name arising from the circling movements female and male make when courting. Two other harriers are in the genus ''Polyboroides'', the ''harrier-hawks'', which are allopatric (geographically separated) and restricted to the Afrotropic ecozone. The remaining single species forms the monotypic genus ''Geranospiza''.===Ring-tails===harrier ) article; caution. -->''Ring-tail'' is an informal term used by birders for the juveniles and females of several harrier species when seen in the field and not identifiable to an exact species. Ring-tail harriers include the juveniles and females of Montagu's harrier (''Circus pygargus''); northern or hen harrier (''Circus cyaneus''); and pallid harrier (''Circus macrourus'').」の詳細全文を読む
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