Canadian Nightcrawlers- Lumbricus terrestris

E-Fauna BC: Electronic Atlas of the Fauna of BC (Mobile Atlas Page)

Josh's Frogs Nightcrawlers/Earthworms - 'Lumbricus terrestris' (500 Count) : Pet Supplies

African Nightcrawler culture : Newts and Salamanders Portal

European Nightcrawlers – Eisenia hortensis - Red Worm Composting

Wait. Common Nightcrawlers Are An Invasive Species?

Lumbricus terrestris – 10,000 Things of the Pacific Northwest

Common Earthworm (Lumbricus terrestris) - JungleDragon

Vermicomposting

Mini vermicompost science experiments : r/Vermiculture

A Great Source of Nutrients for Your Reptilian Pet - Uncle Jim's Worm Farm