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 nests per 1 km2. Without an exception, rookeries were within suburbs, villages or large farms (in such cases – next to buildings), away from the riverine forests bordering the area, tree lines or smaller groves in the open.
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