These were all over my pant leg during a walk today — I have no idea how they got there. What are they

Bugs? Seeds? Alien spores?

Don’t worry — if this has ever happened to you, the answer is a lot more ordinary (and kind of fascinating).

🌱 Meet the Culprit: Hitchhiking Plant Seeds

Those little tag-alongs stuck to your pant  leg are almost certainly plant seeds — often called burrs, stickseeds, or hitchhikers.

Plants have evolved some very clever ways to spread their seeds. Instead of relying solely on wind or animals eating their fruit, some species have developed seeds that cling to anything that brushes by — fur, feathers, or, in our case, fabric.

🧩 Why They Stick

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