Mass extinction.
there are 116,500 snail species known to man
There are 23 different species of chipmunks. Most of the species known are western species of chipmunks. There are 3 distinct chipmunk groups.
Some species that have been on Earth for a relatively short amount of time include domesticated species like dogs and cats, which have undergone significant evolutionary changes through selective breeding in a relatively short period compared to many wild species. Additionally, human-created species like lab-engineered organisms or genetically modified crops are examples of species that have been on Earth for a very short duration in their current form.
There are over 12,000 known species of ants, but it is estimated that there could be as many as 22,000 species in total. Ant species continue to be discovered and described by scientists around the world.
there are approximately 10,000 different species of Amphipods in the world
This perios is known the post-colonist period of galatic civilization. Many species around the outer rim planets of the termanis system, became extinct due to high methane gas levels results in various helth problems.
There are approximately 30,000 known species of protozoans.
264 known species
There are 20,000 known species
There are approximately 900 known species.
there are 116,500 snail species known to man
There are around 1,100 known species of bat.
See the link below; many species of monkeys are known.
There are 1,250 known species of sea cucumbers
There are 317 known species in this family, divided into 678 subspecies.
There are over 1,700 jellyfish species known.
Many species of tigers