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首页> 外文期刊>Canadian Journal of Zoology >Moose (Alces alces) predation by eastern coyotes (Canis latrans) and eastern coyote x eastern wolf (Canis latrans x Canis lycaon) hybrids
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Moose (Alces alces) predation by eastern coyotes (Canis latrans) and eastern coyote x eastern wolf (Canis latrans x Canis lycaon) hybrids

机译：东部土狼（Canis latrans）和东部土狼x东部狼（Canis latrans x Canis lycaon）杂交的驼鹿（Alces alces）捕食

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摘要

It has been widely assumed that coyotes (Canis latrans Say, 1823) are incapable of killing adult moose (Alces alces (L., 1758)) and previous studies of coyote predation support this assumption. However, eastern coyotes and eastern coyote x eastern wolf (Canis lycaon Schreber, 1775) are larger than western coyotes and appear to rely on larger prey in some areas. We used a combination of GPS telemetry, genetic analysis, and field investigation to test the hypothesis that eastern coyotes and coyote x wolf hybrids are capable of preying on adult moose in central Ontario. Our hypothesis was supported, as we documented four definitive cases of eastern coyotes and (or) eastern coyote x eastern wolf hybrids killing moose >= 1.5 years old. Predation by coyotes and coyote x wolf hybrids probably does not represent a threat to moose population viability in central Ontario, but our results suggest that researchers and managers in other areas with declining moose populations that are sympatric with eastern coyotes and (or) coyote x wolf hybrids should consider coyote predation as a potential source of mortality.
机译：人们普遍认为土狼（Canis latrans Say，1823）无法杀死成年麋（Alces alces（L.，1758）），而土狼捕食的先前研究也支持这一假设。但是，东部郊狼和东部郊狼x东部狼（Canis lycaon Schreber，1775年）比西部郊狼要大，并且在某些地区似乎依赖较大的猎物。我们使用GPS遥测，遗传分析和野外调查相结合的方法来检验东郊狼和土狼x狼杂种能够捕食安大略省中部成年麋的假设。我们的假设得到了支持，因为我们记录了四例确定的案例：东郊狼和（或）东郊狼x东狼杂种，杀死了≥1.5岁的驼鹿。土狼和土狼x狼杂种的捕食可能并不代表对安大略省中部驼鹿种群生存能力的威胁，但我们的结果表明，其他地区的研究人员和管理人员与东部土狼和（或）土狼x狼同居杂种应将土狼捕食视为潜在的死亡源。

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