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1 March 2005 Sapsuckers Usurp a Nuthatch Nest
Christine A. Rothenbach, Christopher Opio
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Abstract

We document for the first time a Red-naped Sapsucker (Sphyrapicus nuchalis) usurping the nest of a Red-breasted Nuthatch (Sitta canadensis). A nuthatch nest in the incubation phase was usurped by a male Red-naped Sapsucker on 23 May 2003, and a sapsucker nest was initiated in the cavity on 1 June. Red-naped Sapsuckers are primary cavity excavators that normally nest in live and dead quaking aspens (Populus tremuloides) infected with heart rot fungus (Fomes spp.). Red-breasted Nuthatches are weak excavators that most commonly nest in broken-topped conifer snags. Nest usurpation was likely due to a shortage of suitable nest sites in our study plot.

Christine A. Rothenbach and Christopher Opio "Sapsuckers Usurp a Nuthatch Nest," The Wilson Bulletin 117(1), 101-103, (1 March 2005). https://doi.org/10.1676/04-047
Received: 26 April 2004; Accepted: 1 December 2004; Published: 1 March 2005
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