Birds: They destroy cereals such as maize, millet, sorghum and rice at all stages of development. Bush fowl, weaverbirds and doves pick seeds from the soil after planting usually before they even develop at all or while they are very young. This leads to poor germination and loss in plant population. Other bird pests are blue-billed manikin, village weaverbirds and red headed quelea. When birds attack a farm land in large number, they can destroy crops on hectares of land in a few days.
Rodents and rats: These pests attack crops both during growth and after harvesting. They attack and destroy cereals by chewing stems. They eat vegetables like pumpkin, tomato, melon and eggplants. They consume tubers like cassava, cocoyam and yam which they dig out of the ground. If partly eaten, the tubers become exposed to bacterial and fungal infections that render them useless.
Tree Squirrels, Bats and Monkeys attack fruits like guava, cashew, oil palm, bananas, etc. They feed mostly on ripe fruits and pods, and they often chew up leaves and branches.