ITHACA, N.Y. - Millions of people donate billions of dollars' worth of their time to citizen-science projects each year. While these efforts have broadened our understanding of everything from birds ...

Platforms such as iNaturalist and eBird encourage people to observe and document nature, but how accurate is the ecological data that they collect? In a new study published in Citizen Science: Theory ...

Citizen science, including structured and semi-structured forms, has become a powerful tool to collect biodiversity data. However, semi-structured citizen science data have been criticized for higher ...

Biologists report that eBird observations match trends in bird species populations measured by US government surveys to within 0.4 percent. As long as there have been birdwatchers, there have been ...

Holly Merker’s eyes are constantly on the tree tops. During a outing to the John Heinz Wildlife Refuge at Tinicum on the outskirts of Philadelphia, her small frame is bogged down by more gear than a ...

HELENA, Mont. — On a warm morning not long ago on the shore of a small prairie lake outside this state capital, Bob Martinka trained his spotting scope on a towering cottonwood tree heavy with blue ...

Citizen science platforms are quickly accumulating hundreds of millions of biodiversity observations around the world annually. Quantifying and correcting for the biases in citizen science datasets ...