AVIAN NESTLING PREDATION BY ENDANGERED MOUNT GRAHAM RED SQUIRREL

Hermit Thrush (Catharus guttatus) Science Article 2

abstract

Studies using artificial nests or remote cameras have documented avian predation by redsquirrels (Tamiasciurus hudsonicus). Although several direct observations of avian predation events are known in the northern range of the red squirrel distribution, no accounts have been reported in the southern portion. We observed predation upon a hermit thrush (Catharus guttatus) nestling by the Mount Graham red squirrel (T. h. grahamensis), an endangered subspecies living at the southern terminus of the distribution of the red squirrel.

CLAIRE A. ZUGMEYER, The Southwestern Naturalist vol. 52, no. 1

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