A Samburu boy uses a wooden stick to try to swat a swarm of desert locusts filling the air, as he herds his camel in Samburu county, Kenya. (AP)
This adult locust in Somalia can grow to be big enough to eat a lot of crops.
Desert locusts jump up from the ground and fly away as a cameraman walks past, in Kenya. (AP)
Locusts have swarmed into Kenya by the hundreds of millions from Somalia and Ethiopia! (AP)
A view of the grass eaten by locusts. (AP)
Desert locusts are as big as your finger. They get hungry. They get excited. Soon they swarm.
Whirling clouds of locusts chomp crops. This is the worst swarm in 25 years. It may not end until June.