Northwestern willow flycatcher (Empidonax traillii ssp. brewsteri)

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Northwestern willow flycatcher (Empidonax traillii ssp. brewsteri)

Citation:

Empidonax traillii extimus: An endangered subspecies

Author(s)
Unitt, Philip
Pages
137-162
Year
Volume
18
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type
Time of Migration or Dispersal May 15 date of earliest arrival of spring migrants Both Male and Female Not Reported Not Reported Exposure Factor Datasets
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