Invasive hammerhead worms are spreading in Texas, and have been spotted in Houston, Dallas, Austin and toward the coast.

After heavy rainfall, sightings of an invasive species have been on the rise in North Texas. Hammerhead worms, named for their distinct hammer-shaped head, are a species of worm endemic to Southeast ...

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The light honey-colored worm, marked by a darker collar and up to five stripes, may look harmless, but it poses a serious threat to native Texas species. The invasive species known as the hammerhead ...