Explain with at least 3 examples how animals can be used to control pest refer to the topic biological control

pls help mi~~~~Explain with at least 3 examples how animals can be used to control pest refer to the topic biological control
Example one:


Aphid destroys the crops. Farmers can control the population of Aphids by introducing ladybird.





Example two:


Rat is also another irritating pest. We can use cat to catch the rat. Rat is now under control by cat.





Example three:


Mosquito larvae will turns into deadly mosquito. This is our pest. We can control the number of mosquito larvae by introducing fish into the pond. This way, the fish will eat away the larvae. (Singapore did that by introducing guppies fish in the 60s)