A newborn bison calf in Yellowstone National Park had to be euthanized after a visitor handled it in May 2023 – a recent example of how trying to help wild animals often harms them.
The recent goring of a tourist who approached within 10 feet of a bison in Yellowstone National Park is a reminder that wild animals can be dangerous and people should keep safe distances.
These coordinated movements of a flock of starlings follow no plan or leader. Scientists used to think the animals must communicate via ESP to create these fast-moving blobs.
Outdoor recreation is booming across the US, but research shows that the presence of humans – or the trails they hike and ski on – can have harmful effects on wildlife at less-than-close range.
Millions of Americans feed wild birds, especially in winter and spring. Studies show that this can influence birds' health and behavior in surprising ways.
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