American Bullfrog

The American bullfrog (Lithobates catesbeianus or Rana catesbeiana) has a large robust body that can reach 20 centimeters in length. They are green or brown in colour and have yellow or...Learn more

Eastern Grey Squirrel

The Eastern grey squirrel (Sciurus carolinensis) may be cute and fuzzy to on-lookers, especially in the popular tourist areas of Stanley Park in Vancouver, but it is an invasive mammal...Learn more

European Cottontail Rabbit

New Zealand Mudsnail

The New Zealand mud snail is a very tiny aquatic snail (often smaller than your baby fingernail) and is native to fresh waterbodies in New Zealand. The New Zealand mudsnail...Learn more

Rusty Crayfish

Rusty crayfish (Orconectes rusticus) is a non-native invasive species that may have been intentionally introduced from a bait bucket release, a mercy release, or from an unintentional release...Learn more

Zebra and Quagga Mussels

Zebra (Dreissena polymorpha) and quagga mussels (Dreissena rostriformis bugensis) are fingernail-sized, freshwater mollusks that can easily attach themselves to objects and other organisms. They can clog...Learn more