Effect of raven Corvus coraxscavenging on the kill rates of wolf Canis lupuspacks.

Raven (Corvus corax) Science Article 4


During late winter 1991 and 1992, we investigated the influence of raven Corvus coraxscavenging on the predation rate by different-sized wolf Canis lupuspacks on moose Alces alcesin the Yukon Territory, Canada. To assess the magnitude of scavenging, we presented 10 ungulate carcasses, pre-warmed to simulate the flesh temperature of freshly-killed prey, to scavengers and measured their daily consumption. Ravens were by far the main scavengers and on average, we counted 18.5

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