Passenger Pigeon Tree Tests

For decades, people thought the primary driver of these disturbance events that are so vital to the biodiversity of forests were mainly from storms and fires, but people had kind of forgotten about the passenger pigeon. These flocks of billions of birds would come into the forest, overcrowd on branches, break branches and entire trees down from their weight.

Researchers are testing Wisconsin trees for passenger pigeons

Ornithologist A.W. Schorger recorded historic nesting and roosting sites for the passenger pigeon, which have been compiled and mapped by scientist Sam Matey. Screenshot of interactive map from ArcGIS

Interactive nesting map from ArcGIS

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