An invasive and harmful worm capable of growing to three feet long has been discovered in Ontario, Canada. The hammerhead land planarian is toxic and, experts warn, can pose a threat to pets ...

The worms, also known as land planarians or shovel-headed garden worms, are easily detected by their unique body structure: They have long, thick bodies with a flat, wide head that resembles that ...

Also known as land planarians or shovel-headed garden worms, their bodies are light colored, and they have one to several strips along their backs. They are also long, ...

The worms are known across the southeastern US, and with recent hammerhead sightings in Washington, DC, New Yorkers and others in the Northeast Corridor may be wondering how long it will be before ...

Also known as land planarians or shovel-headed garden worms, their bodies are light colored and they have one to several stripes along their backs. They are also long, ...

The NC State Extension Office has lots of information about these worms — which can be called Terrestrial Flatworms, Land Planarians and Hammerhead Worms — on their website. “Although alien ...

The common land planarians most people find are easy to identify by the triangular, spade-shaped head. These worms can stretch out a foot in length, and they leave a shiny, silvery trail ...

Dr. Junji Morokuma, Levin lab, Tufts University. 11. Planarians are capable of learning, and upon decapitation, the bodies with newly regenerated heads will remember what they learned.

A hammerhead worm, also known as a broadhead planarian, demonstrates toxicity with bold coloration. The worm favors warm and damp habitats. Bazzano Photography/Alamy Stock Photo ...

The NC State Extension Office has lots of information about these worms — which can be called Terrestrial Flatworms, Land Planarians and Hammerhead Worms — on their website. “Although alien ...

The worms are known across the southeastern US, and with recent hammerhead sightings in Washington, DC, New Yorkers and others in the Northeast Corridor may be wondering how long it will be before ...