Help science by looking at pictures of animals on the internet
"It was too much for me to sort through," said study researcher Alexandra Swanson, of the University of Minnesota, Saint Paul. "We were simply overwhelmed."
So they asked for help.
Swanson and her colleagues connected with Zooniverse, a citizen science platform that allows people on the internet to participate in real scientific research.
Together they created Snapshot Serengeti, a website that let internet users do the work for them.
By 2013, 28,000 registered volunteers had found that 322,653 photos contained "48 different species and species group, including rare and elusive animals such as aardwolf and zorilla," according to the study published June 9 in the journal Scientific Data.
The scientists compared the volunteer's classifications with those of experts and found that though most users had no background in animal science, they were correct 97% of the time, Swanson said.
"Some photos were really tricky even for those really recognizable animals," Swanson said. "The filtering interface produced really realizable data."
Here's how it works.
When a user signs into the website, an automated walk-through guides them through the process. The options below the photo include tick boxes for fire or for when no animals are present. It also allows the user to see where the photo was taken. In this example photo, a wildebeest crosses the frame.
Here, the zebra's distinctive black and white pattern can be seen through the trees.
Once the animals are identified, users are asked to note what each is doing. The animals also included descriptions and additional photos of the animal.
The study has concluded but the camera traps are still taking photos and Swanson estimates there are 300,000 more waiting to be picked up from Tanzania. She said 700,000 photos have already been been classified on the website since the study ended, and users are still actively working through them.
It's easy to let time get away from you while classifying animals. Once you're done with one photo, another pops up. It's also a great way to learn about rare animals like the aardwolf, a shyer cousin of the hyena who prefers termites to meat. People who wouldn't normally get the chance to see animals from the Serengeti can get up close and personal with them, and participate in real scientific research at the same time.
"This kind of research wouldn't be possible without the help of volunteers," Swanson said. "Getting everyday people who are not scientists involved has enabled this really cool research."
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