A Review of the Status of Greater and Lesser Scaup in North America

A Review of the Status of Greater and Lesser Scaup in North America

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Description

The combined population of greater scaup and lesser teacup in North America has declined substantially in recent years. In 1998 it reached the lowest level recorded since the start of systematic North American surveys in 1955. Concern about the numbers of scaup prompted this review of the status of the two species.show more

Product details

  • Paperback | 54 pages
  • 215.9 x 279.4 x 3.3mm | 195.04g
  • Createspace Independent Publishing Platform
  • United States
  • English
  • black & white illustrations
  • 1507849966
  • 9781507849965