Art; Aquatic animals; Endangered and/or threatened; Rivers and streams;
This is a poster about freshwater mussels. One side displays a subaquatic environment featuring mussels and various fish, while the reverse side describes the mussels' life cycle and ecosystem role as well as what is being done to protect them.
This is a status assessment of the double-crested cormorant in North America as of 2001. It includes general information on the bird, biological information and area-specific population information for throughout North America.