Nettle-Tree Butterfly
Photo: ROBIN FOX

The Nettle Tree Butterfly is a snout butterfly that ranges across Europe, Africa and Asia. Obtaining an accurate count of butterflies with humans standing on the ground is problematic. Could a drone (UAV) provide better counts?

A group of scientists tested a UAV to count butterflies in Sobaeksan National Park, South Korea. Through trial and error, they determined that 4 meters was high enough to minimally disturb the butterflies while still allowing the…

Source: Living With Insects Blog

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