Human life, like vermin, will be guiltless. The rich land will turn into a wilderness, and the tall buildings will collapse like toys.
Sparrows are omnivorous birds. In summer and autumn, they mainly feed on the seeds of Gramineae plants, while in brooding, they mainly feed on the insects that harm Gramineae plants, most of which are Lepidoptera pests.
Frogs prey on a large number of field pests, which are beneficial to human beings.
A small living creature that catches pests for human beings is about to become a delicacy on people's table, while those who catch and injure them get benefits.