SEVEN-YEAR STUDY OF FOODS OF MOURNING DOVES (ZENAIDA MACROURA) IN SOUTHEASTERN NEW MEXICO

IF 0.2 4区 环境科学与生态学 Q4 Agricultural and Biological Sciences
J. Hunt, T. Best
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引用次数: 0

Abstract

Abstract In August and October 1982–1988, we collected 880 mourning doves (Zenaida macroura) in southeastern New Mexico to determine amounts and kinds of food items ingested and to evaluate variation in feeding habits by sex, age, time of day, month, and year. Crop contents did not differ significantly by sex, but did differ significantly by age, month, and year. Differences by age group may reflect differences in foraging ability between subadults and adults. Differences by month probably reflect differences in availability of food items. Differences by year may be related to differences in annual precipitation, although no such relationship was observed in this study. Crop contents also differed significantly by time of day collected, but this likely reflects activity patterns of birds and not true differences in diet. Resumen En agosto y octubre de 1982 a 1988 colectamos 880 palomas huilotas (Zenaida macroura) en el sureste de Nuevo México para determinar la cantidad y tipo de alimentos ingeridos, y para evaluar la variación en hábitos alimenticios por sexo, edad, hora del día, mes y año. Los contenidos del buche no fueron significativamente diferentes por sexo, pero sí por edad, mes y año. Las diferencias entre clases de edad pueden reflejar diferencias en la capacidad de forrajeo entre sub-adultos y adultos. Diferencias por mes probablemente reflejan diferencias en la disponibilidad de tipos de alimentos. Diferencias por año pueden relacionarse a diferencias en la precipitación anual, aunque tal relación no fue observada en este estudio. Los contenidos del buche fueron significativamente diferentes dependiendo de la hora del día, lo que probablemente representa patrones de actividad de estas aves y no verdaderas diferencias en dieta.
新墨西哥州东南部哀鸽(zenaida macoura)食物的七年研究
1982-1988年8月和10月,我们在美国新墨西哥州东南部采集了880只哀鸽(Zenaida macoura),测定其摄食食物的数量和种类,并评价其摄食习惯在性别、年龄、日、月、年时间上的变化。作物含量在性别上差异不显著,但在年龄、月份和年份上差异显著。不同年龄组的差异可能反映了亚成虫和成虫觅食能力的差异。不同月份的差异可能反映了食品供应的差异。不同年份的差异可能与年降水量的差异有关,尽管在本研究中没有观察到这种关系。作物含量也因采集时间的不同而有显著差异,但这可能反映了鸟类的活动模式,而不是饮食的真正差异。复本1982年10月至1988年10月期间,收集了880份资料(宏观资料),并确定了新m ·····)。Los contenidos del buche no fueron在不同的贫困性别中具有显著性,例如sí贫困人口,即año。中心类别的不同反映了中心类别、次成人类别和成人类别的能力差异。不同的穷人可能反映了不同的人在对食物的分配上的差异。不同的地方año不同的地方相对的,不同的地方precipitación年的,独特的地方relación没有不同的观察,甚至是不同的地方。在不同的情况下,不同的人对不同的生活方式有不同的看法,对不同的生活方式有不同的看法,对不同的生活方式有不同的看法。
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来源期刊
Southwestern Naturalist
Southwestern Naturalist 环境科学-生态学
CiteScore
0.50
自引率
50.00%
发文量
47
审稿时长
18-36 weeks
期刊介绍: The Southwestern Naturalist (a publication of the Southwestern Association of Naturalists since 1953) is an international journal (published quarterly) that reports original and significant research in any field of natural history. This journal promotes the study of plants and animals (living and fossil) in the multinational region that includes the southwestern United States, Mexico, and Central America. Appropriate submission of manuscripts may come from studies conducted in the countries of focus or in regions outside this area that report significant findings relating to biota occurring in the southwestern United States, Mexico, and Central America. Publication is in English, and manuscripts may be feature articles or notes. Feature articles communicate results of completed scientific investigations, while notes are reserved for short communications (e.g., behavioral observations, range extensions, and other important findings that do not in themselves constitute a comprehensive study). All manuscripts (feature articles and notes) require an abstract in both English and Spanish.
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