{"id":2190569,"date":"2026-03-26T13:39:17","date_gmt":"2026-03-26T12:39:17","guid":{"rendered":"https:\/\/focusingonwildlife.com\/news\/?p=2190569"},"modified":"2026-03-26T13:39:17","modified_gmt":"2026-03-26T12:39:17","slug":"what-a-cave-camera-near-yellowstone-captured-over-10-years","status":"publish","type":"post","link":"https:\/\/focusingonwildlife.com\/news\/what-a-cave-camera-near-yellowstone-captured-over-10-years\/","title":{"rendered":"What a Cave Camera Near Yellowstone Captured Over 10 Years"},"content":{"rendered":"

In a secluded corner of the American wilderness near Yellowstone National Park, a hidden camera spent ten years without a single human visit. The device was installed in an abandoned bear den\u2014specifically, a small cave long since abandoned by its original occupants. Wildlife director and cinematographer Casey Anderson placed the camera covertly, leaving no trace of his presence, and simply walked away. The results surprised even experts.<\/span><\/p>\n

How the world learned about the decade-long footage<\/b><\/p>\n

The story broke after a Newsweek article that, for the first time, described the contents of the footage in detail. After the publication, Anderson posted an edited video on social media. The main takeaway was striking: the camera captured a decade-long pattern largely unseen by people, during which dozens of individuals from different species visited the very same spot.<\/span><\/p>\n

Did grizzlies return to the den?<\/b><\/p>\n

At first, Anderson wanted to answer one specific question: would grizzlies come back to the cave that had once been used for hibernation. The footage confirmed that the bears did indeed return. In winter scenes, you can see the bulky silhouettes of grizzlies moving across the snow-covered landscape toward the familiar shelter. In warmer seasons, the den was not empty either, becoming a temporary refuge and a stopover.<\/span><\/p>\n

Large predators no one expected<\/b><\/p>\n

However, the bears turned out to be only part of the picture. The camera recorded regular visits by a mountain lion (cougar), which returned to the cave again and again with almost obsessive regularity. Coyotes also appeared on camera, and in different periods of the year. This \u201cschedule\u201d of visits by large predators came as a surprise to researchers: a single point in the landscape, like a crossroads of invisible animal trails, drew in a wide variety of animals.<\/span><\/p>\n

Raccoons, smaller visitors, and the ecosystem of a single cave<\/b><\/p>\n

In addition to large predators, the footage preserved visits by smaller animals. Raccoons and other small forest dwellers stopped by the den, turning it into a kind of microcosm of Yellowstone\u2019s biodiversity. One cave became a meeting point for completely different species and behavioral scenarios.<\/span><\/p>\n

What surprised Anderson most<\/b><\/p>\n

According to the project\u2019s creator, he expected to see the bears return, but what he got was a far broader picture.<\/span><\/p>\n

\u201cNot only did the bears return, but so did mountain lions, coyotes, and an amazing variety of smaller animals. One mountain lion in particular came back again and again, almost obsessively,\u201d Anderson told Newsweek in an interview.<\/span><\/p>\n

The footage confirmed that, without any human presence, animals develop a stable pattern of regular visits to the same object, with different species taking turns.<\/span><\/p>\n

Half a million views and \u201cten years as a fly on the wall\u201d<\/b><\/p>\n

The video sparked lively discussion among subscribers and wildlife enthusiasts. Viewers especially noted the unobtrusive method of observation, calling the project \u201ca decade as a fly on the wall.\u201d The overall tone of the reaction was enthusiastic, but without hype. Some viewers asked to post the most interesting moments separately because they can\u2019t watch streaming video. For example, fans of the channel in Nigeria found it difficult because they can only <\/span>hope<\/span><\/a> for a stable mobile connection, and without it, livestreams like this are practically inaccessible.<\/span><\/p>\n

The man who leaves the camera to nature<\/b><\/p>\n

Casey Anderson is known for filming wildlife in the American West. He emphasized that going viral was never the goal. \u201cAll my life I\u2019ve found wild places and set up cameras to quietly watch what happens when no one is around,\u201d he explained. Similar projects are published on his YouTube channel Endless Venture.<\/span><\/p>\n

Why passive cameras are changing the approach to conservation<\/b><\/p>\n

Passive monitoring makes it possible to record animal behavior without the distorting influence of humans. Cameras of this type give scientists data that is almost impossible to obtain otherwise:<\/span><\/p>\n