Locust Plague Devours 40,000 Tonnes of Vegetation When crops are plentiful, locusts have a unique hunting technique: they create a plague-like swarm up to a kilometre long, destroying all the vegetation in their path. #EarthsTropicalIslands | BBC Earth

When crops are plentiful, locusts have a unique hunting technique: they create a plague-like swarm up to a kilometre long, destroying all the vegetation in their path. | BBC Earth

A swarm of locusts are destroying crops across Argentina and Brazil. Around 40 million locusts have entered Argentina from Paraguay. Brazil has declared a crop emergency over the locust invasion. Akanksha Swarup tells you more | WION