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Version 2.0

This is a historic version of this account.  Current version

 - Lesser Scaup
 - Lesser Scaup

Lesser Scaup Aythya affinis

Michael J. Anteau, Jean-Michel DeVink, David N. Koons, Jane E. Austin, Christine M. Custer, and Alan D. Afton
Version: 2.0 — Published November 14, 2014

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Figure 1. Distribution of the Lesser Scaup. - Range Map
  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Figure 1. Distribution of the Lesser Scaup.

This species winters irregularly south, and in the Hawaiian Islands. Its winter status in the southern Central America is imperfectly known. See text for details.

Recommended Citation

Anteau, M. J., J. DeVink, D. N. Koons, J. E. Austin, C. M. Custer, and A. D. Afton (2014). Lesser Scaup (Aythya affinis), version 2.0. In The Birds of North America (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bna.338