In 1935, black drongos were introduced on Rota to control crop pests; decades later the aggressive birds spread to Guam and became a threat to native birds
- A juvenile and an adult Black Drongo perch on a tree branch (ANI Photo)In 1935, the Japanese South Seas Development Company made a decision that would have repercussions for Mariana Islands' ecosystems for nearly 100 years.
- In search of a natural method for controlling agricultural pests, they imported black drongos (Dicrurus macrocercus) from Taiwan to Rota.
- At the time, it seemed a simple fix: introduce an insect-eating bird to protect crops.
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- A juvenile and an adult Black Drongo perch on a tree branch (ANI Photo)In 1935, the Japanese South Seas Development Company made a decision that would have repercussions for Mariana Islands' ecosystems for nearly 100 years.
- In search of a natural method for controlling agricultural pests, they imported black drongos (Dicrurus macrocercus) from Taiwan to Rota.
- At the time, it seemed a simple fix: introduce an insect-eating bird to protect crops.
Sources: Times of India