Worldwide domestic cats kill billions of songbirds annually. Many songbirds are insectivores that prey on mosquitoes and flys helping to keep their numbers in check.
Habitat loss, bioaccumulation of Neonicotinoids and predation by invasive species (domestic cats included) are top three issues for declining numbers of songbirds in the US.
Worldwide domestic cats kill billions of songbirds annually. Many songbirds are insectivores that prey on mosquitoes and flys helping to keep their numbers in check.
The current problem of insectivores is a massive massive lack of insects, not cats.
Habitat loss, bioaccumulation of Neonicotinoids and predation by invasive species (domestic cats included) are top three issues for declining numbers of songbirds in the US.
Edit: added region