Invasive Species

This river apparently has a lot of fish because it is called salmon river

Fish out of their own water

December 6, 2009

Proposed shipping rules target invasive species

December 7, 2008

Thorny shrub is a backyard bully

Chinese mitten crabs: Invasive species found in Hudson

Plodding process lets invasive species take hold

February 3, 2008

Undesirable Expatriates: Preventing the Spread of Invasive Animals

Water chesnut

The aliens that ate the Hudson River

January 3, 2003

An earthworm in the soil

Earthworm Invasion

water chestnut

Water chestnut