Population status

Sedge Wren
(Cistothorus platensis)

The Sedge Wren is best monitored in Canada by the Breeding Bird Survey (BBS), which provides good coverage of its breeding population. BBS results indicate that the population has fluctuated considerably from year to year, but overall has shown a moderate increase since 1970, especially in the Prairie Potholes Bird Conservation Region, the core of its breeding range in Canada. Some caution in interpreting population trends of this species is appropriate due to their seasonal nomadic nature and their tendency to shift locations within the breeding season, often after BBS routes have been run (Herkert et al. 2001). BBS results from throughout North America also indicate a moderate increase in the continental population. The Sedge Wren population is at an acceptable level relative to its national population goal (see BBS Canada graph below).

Population goal and acceptable levels of variation

Breeding Bird Survey (BBS) - Canadian analysis

Additional information on: Breeding Bird Survey (BBS) - Canadian analysis

References

• Herkert, J.R., D.E. Kroodsma and J.P. Gibbs. 2001. Sedge Wren (Cistothorus platensis), The Birds of North America Online (A. Poole, Ed.). Cornell Lab of Ornithology, Ithaca, New York. Herkert, J.R., D.E. Kroodsma and J.P. Gibbs. 2001. Sedge Wren (Cistothorus platensis), The Birds of North America Online (A. Poole, Ed.). Cornell Lab of Ornithology, Ithaca, New York. (Link)