要么战斗,要么逃跑:东部野生火鸡反复保卫巢穴对抗浣熊

IF 1.8 4区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION
Wesley W. Boone , Reese Johnson
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引用次数: 2

摘要

东部野生火鸡(Meleagris gallopavo silvestris)是北美东部和中部的一个经济和文化重要物种。东部野生火鸡的巢穴被一系列捕食者捕食,为这些捕食者提供了食物,但也可能加剧最近火鸡数量的下降。虽然对野生火鸡巢穴成功率和巢穴捕食率的研究很常见,但许多研究都依赖于人工巢穴,而人工巢穴没有考虑到筑巢母鸡的防御能力。文献中基本上没有对尝试和成功的捕食事件进行直接观察,但需要了解这些种间相互作用。在偶然发现东部野生火鸡巢穴后,我们放置了两个俯瞰巢穴的相机陷阱。相机陷阱记录了一只浣熊(Procyon lotor)六次试图突袭巢穴,其中只有一次浣熊似乎偷了一个蛋。剩下的五次尝试都被母鸡击退了,母鸡鼓起羽毛保卫巢穴。我们得出的结论是,母鸡可能有能力保护自己的巢穴免受浣熊的捕食,但还需要进一步的研究来确定这只母鸡的防御能力是否典型,以及其他捕食者是否更成功地袭击巢穴。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fight or flight: Eastern wild Turkey repeatedly defends nest against raccoon

Eastern wild turkeys (Meleagris gallopavo silvestris) are an economically and culturally important species throughout eastern and central North America. Eastern wild turkey nests are predated by a suite of predators, providing sustenance for those predators but also potentially adding to recent turkey population declines. While studies of wild turkey nest success and nest predation rates are common, many rely on artificial nests which fail to account for the defensive capabilities of nesting hens. Direct observation of attempted and successful predation events are largely absent from the literature, but needed to understand these interspecific interactions. Following the chance discovery of an eastern wild turkey nest we placed two camera traps overlooking the nest. The camera traps recorded six attempted nest raids by a raccoon (Procyon lotor), of which only once did the raccoon appear to steal an egg. The remaining five attempts were fended off by the hen, which puffed her feathers and defended the nest. We conclude that hens may be capable of defending their nests against attempted predation events by raccoons, but additional research is needed to determine if this hen's defensive capacity is typical and whether other predators are more successful at raiding nests.

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来源期刊
Food Webs
Food Webs Environmental Science-Ecology
CiteScore
2.80
自引率
5.90%
发文量
42
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