Other sources estimate the number to be around 1000 species since 1945.

There are now believed to be around 10,000 extant species.

The class contains around 10,000 species in 13 orders and 115 families.

There are around 14,500 species of flowering plants and trees.

It contains around 40 species, including 7 in eastern and northern Europe.

There are around 90 different species of birds in the area.

Out of these around 54 species in total are considered endangered.

Experts estimate that there are around 100 million species in the world.

There are around 80,000 species (different kinds) of true bugs.

There are around ten thousand species of plants in the garden.