RT @AndrewM_Webb: To count an animal population if you can't catch them all: capture some, mark them, release, and capture again. The ratio… 0 atbildes
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Reinis Ivanovs (2020-01-03 07:11:43) |
RT @AndrewM_Webb: To count an animal population if you can't catch them all: capture some, mark them, release, and capture again. The ratio… | |