Brown-headed Nuthatch Sitta pusilla Scientific name definitions

Gary L. Slater, John D. Lloyd, James H. Withgott, and Kimberly G. Smith
Version: 1.1 — Published August 18, 2021

Movements and Migration

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Migration Overview

Thought to be a sedentary species. No convincing evidence of migration has been advanced, and census results and multiple-year observations suggest that individuals remain in one area. Banded individuals have been found resident on territories year-round (62, Slater 2001). Genetic evidence also supports notion of limited movement (Haas et al. 2010). Infrequent appearances well north of its breeding range (Renfrow 2003) may reflect natal dispersal. Such vagrancy and apparent range extensions may be precipitated by sporadic winter movements when pine seed crops fail (63) or in response to destruction of habitat (Renfrow 2003).

Recommended Citation

Slater, G. L., J. D. Lloyd, J. H. Withgott, and K. G. Smith (2021). Brown-headed Nuthatch (Sitta pusilla), version 1.1. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.bnhnut.01.1