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首页> 外文期刊>The American Midland Naturalist >Bird Nesting in Chickasaw Plum Related to Age of Plum in Oklahoma
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Bird Nesting in Chickasaw Plum Related to Age of Plum in Oklahoma

机译：与俄克拉荷马州梅花年龄有关的契卡索梅花鸟筑巢

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摘要

We described passerine nesting in Chickasaw plum (Prunus angustifolia) as related to plum age in north-central Oklahoma during the 2007 and 2008 nesting seasons to better understand the role of plum in bird ecology. We measured properties of nests (height aboveground), nest-supporting stems (height, diameter, age) and nesting stands (age, area). We observed Bell's vireos (Vireo bellii), brown thrashers (Toxostoma.rufum), field sparrows (Spizella pusilla), northern mockingbirds (Mimus polyglottos) and painted buntings (Passerina this) nesting in plum stands and inferred nesting by blue grosbeaks (P. caerulea), greater roadrunners (Geococcyx californianus), mourning doves (Zenaida macroura) and northern cardinals (Cardinalis cardinalis). Nest height was consistent among species at averages ranging from 0.7 in (SE = 0.13, n = 5) for field sparrows to 1.1 m (SE = 0.07, n = 30) for northern mockingbirds. Bell's vireos and field sparrows nested on younger stems (average age = 7 y) than the other species (average age = 12-15 y). Availability of relatively old (>= 10 y) stands of Chickasaw plum was necessary to maximize richness of shrub-nesting grassland-associated birds in Oklahoma.
机译：为了更好地了解李子在鸟类生态系统中的作用，我们描述了奇卡索李子（Prunus angustifolia）中的雀形目嵌套与俄克拉荷马州中北部的李子年龄有关。我们测量了巢（地面上的高度），支撑巢的茎（高度，直径，年龄）和巢台（年龄，面积）的属性。我们观察到了贝尔的vireos（Vireo bellii），褐斑rash（Toxostoma.rufum），野麻雀（Spizella pusilla），北部的知更鸟（Mimus polyglottos）和彩旗bun（Passerina this）嵌套在梅花架中，并通过蓝色蜡嘴鸟推断出嵌套（P. caerulea），更大的走行者（Geococcyx californianus），哀悼的鸽子（Zenaida macroura）和北部红衣主教（Cardinalis cardinalis）。物种之间的巢高度保持一致，平均值从田野麻雀的0.7英寸（SE = 0.13，n = 5）到北部模仿鸟的1.1 m（SE = 0.07，n = 30）。贝尔的维雷奥斯和野麻雀筑巢在比其他物种（平均年龄= 12-15岁）年轻的茎上（平均年龄= 7岁）。为了使俄克拉荷马州的灌木丛草地相关鸟类的丰富度最大化，必须有相对较长的（> = 10年）Chickasaw李子林分。

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