Nidhi Sharma is an associate producer with the NBC News Climate Unit.
Songbirds like cardinals and sparrows follow the same schedule every year. In spring, they build nests and raise their young from nestlings to fledglings — but as springtime temperatures get warmer due to climate change, scientists have observed bird populations struggling to keep their offspring alive.
“The reproductive cycle of birds makes them particularly vulnerable to the impacts of climate change,” Lauck said. Scientists have already found that rising temperatures have caused some species to nest earlier during cooler months and that some birds reaching maturity have been getting smaller. And in some cases, such as during Australia’s recent extreme heat waves, both baby birds and adult birds have dropped dead due to the heat.
México Últimas Noticias, México Titulares
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