The depredation of Mountain White-crowned Sparrow (<i>Zonotrichia leucophyrys oriantha</i>) nests by the golden-mantled ground squirrel (<i>Callospermophilus lateralis</i>) and long-tailed weasel (<i>Mustela frenata</i>)

Abstract

The identities of avian nest predators remain unknown in many systems. The Mountain White-crowned Sparrow (Zonotrichia leucophrys oriantha) is a high-elevation ground-nesting passerine for which only 4 of 15 suspected nest predator species have been confirmed. In this short communication, we confirm 2 previously suspected but unverified nest predators of Z. l. oriantha that were video recorded during the 2016 and 2017 summer breeding seasons. These nest depredation events include a golden-mantled ground squirrel (Callospermophilus lateralis) in 2016 and a long-tailed weasel (Mustela frenata) in 2017. Both predators were recorded removing nestlings.

Knowledge graph centered on The depredation of Mountain White-crowned Sparrow with 53 nodes and 227 connections. Top connected: Delphinium, Spruce, Potentilla, Mertensia, Spermophilus lateralis.

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