Keeping track of rare mountaintop plants with drones

When an endangered plant's favorite place to live is the side of a mountain, keeping track of its numbers typically requires rappelling down cliff faces with specialized gear––no mean feat. Now, a drone-based approach ...

Helping smooth New Zealand sea lions' road home

Majestic flippers instead of legs put the "sea" in sea lions, yet in New Zealand, the endangered beasts are dragging their bulky way back to forests and back yards in a story of conservation success and complicated opportunities.

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