The current extinction rate of vertebrates is 100-1000 times the historical background.This is primarily due to

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Habitat destruction, mainly caused by human activities such as deforestation, urbanization and agricultural expansion, is the primary cause of the current extinction rate of vertebrates. Habitat loss leads to fragmentation of ecosystems, loss of biodiversity and increased susceptibility to invasive species and climate change. Overharvesting, competition with exotic or native species, and random chance also contribute to the extinction rate, but to a lesser degree.

The Current Extinction Rate of Vertebrates Is 100-1000 Times the Historical