My eBird Citizen Science Experiment
10,000 Birds
MARCH 5, 2015
Two years ago, I was counting active nests of Rooks in the flat agricultural landscape north of Belgrade, Serbia. We drove for about 290 km through the 400 square kilometres expanse of Pancevacki Rit and found 8 breeding colonies with 252 occupied nests, or a density of 1.6 Nor the funds to hire the researchers. nests per 1 km2.
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