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» Colaptes - Vigors, 1825
Classification
Colaptes
Vigors, 1825
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R.L. Hutto; R.R. Hutto
Does the presence of an observer affect a bird's occurrence rate or singing rate during a point count?
2020
Scratchpads developed and conceived by (alphabetical):
Ed Baker
, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts,
Simon Rycroft
,
Ben Scott
,
Vince Smith