How many birds are going extinct?
Consequently, what birds are becoming extinct?
Secondly, how many birds went extinct in 2018?
Scientists announced that three bird species vanished from the Earth for good in 2018. While 2018 didn't see much wildlife extinction, the Earth is losing animal species at 1,000 to 10,000 times the natural rate.
Without the birds, Insect population will grow rapidly. Insects will evolve their food habits as their source of food will be diminishing rapidly. The population that prey on birds(including humans but not just us) now have to adapt to new food types, if they can.