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Vocalization methods
Series of methods used to (a) record sonograms (sound spectrogram) of animal sounds which are analyzed to identify the presence of species in an area and to determine distinct sound patterns within a species, e.g., mating calls, danger alerts; (b) attract species to an area for inventory or monitoring by playing recorded animal sounds or mimicking them.
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PDF Improving strategies to assess competitive effects of barred owls on northern spotted owls in the Pacific Northwest [More info]
A scientific study has determined that survey methods designed for spotted owls do not always detect barred owls that are actually present in spotted owl habitat.
North American Amphibian Monitoring Program (NAAMP) [More info]
The North American Amphibian Monitoring Program (NAAMP) is a long-term monitoring program designed to track the status and trends of frog and toad populations with links to data access, protocol, and how to volunteer as an observer.
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