This rummy game has 40 mammals with 6 or more from each continent ( except Antarctica ), giving their biome, Order and many Families of the classification system. The sets are by color. Some Order with few representatives are placed in a mixed group to make a set of 4 -5.
There is an identification chart to help the student while playing.
My TPT store has many nature study games -- Bingo, Rummy, Concentration, Pictominoes and Board games.