As the spring months arrive, so do the American robins, and many can be seen foraging for their favorite food in the ground.

Earthworms have long been associated with healthy ... The species of nightcrawler in the north-central region is Lumbricus terrestris. The length of adult nightcrawlers is usually 4 to 8 inches or ...

we found the UK's largest Lumbricus terrestris ever reported in the wild. At over 13g, some three times the normal weight for this species, these earthworms may have been up to ten years old.

For example, the common earthworm (Lumbricus terrestris), is known for its deep burrowing habits, which help in aerating the soil and improving its overall texture. On the other hand, species like ...

Common earthworms (Lumbricus terrestris), the species grabbed by this robin (and often called nightcrawlers) are indigenous to parts of Europe. The big worms arrived on American soil in the 1700s ...