Drones are helping conservationists rid one Galapagos island of an infestation of rats threatening indigenous birds.
The drones have dropped poison on more than half of North Seymour Island in a bid to kill off the invasive species.
The island’s rare birds nest on the ground and their numbers are being depleted by the rodent invasion.
The drones work much faster and more cheaply than helicopters which have been used in similar rat eradication projects elsewhere.
The infestation of brown and black rats was discovered in early 2018 and prompted action by NGO Island Conservation and the Galapagos’ Ministry of the Environment to rid the territory of the pest.