Many birds flocked to cities during COVID-19 lockdowns

Some species quickly responded to lower levels of human activity, but whether their return to urban areas is good for them—or not—remains unclear.

A red-tailed hawk leaving its nest atop a New York City high-rise. Species including red-tailed hawks were spotted more often in urban areas during COVID lockdowns.
Photograph by Lincoln Karim, Nat Geo Image Collection

While viral posts about dolphins returning to the canals of Venice during the 2020 lockdowns were fake news, the “nature is healing” memes weren’t altogether wrong. Reduced human activity in spring 2020, following the outbreak of COVID-19, led to considerable changes in migratory patterns and habitat use for birds across the United States and Canada, according to a study published today in Science Advances.

In general, many birds seemed to have benefited from these lockdowns, spending more time within and around urban areas, according to the research. Some species which seemed to have most enjoyed the reprieve from human activity—or at least shifted closer to civilization—were warblers and native sparrows; osprey and bald eagles; and several species

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