Millions
A female adult bot fly can lay from 300 to 1000 eggs in her short life span. The adult bot fly has no other goal in life than to lay eggs.
a fruit fly can lay 17000 eggs in 10 days
6000000
5 eggs in a day
Bats can fly but can't lay eggs.
2,000 eggs a day
3 million
27 eggs a day.
450 eggs
around thousand
its over 9000