Spatial Distribution, Abundance, and Flight Ecology of Birds ... - Tethys
I used my Swarovski 8X32 binoculars and my Swarovski spotting scope up to 60 power to observe the birds, as well as a notebook to record data.
DETERMINATION OF RAPTOR MIGRATORY PATTERNS OVER A ...Intensive nest searching was carried out in the study sites using a spotting scope and binoculars, starting from August 2014 to. January 2016. The egg weight ... Neotropical Birding 24... second increments of nesting common loons to experimental approaches on Lake Umbagog, NWR, Each approach consisted of slowly moving to within 100 m ... simplified environmental study - JICAThe number of individuals per population was assessed by direct counting using binocular (Swarovski. 10 × 25 CL pocket binocular) and a spotting scope (Kowa.
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