CONSERVATION

The cartoon hammerhead helps protect endangered sharks one smile at a time.

Drones, armed guards, and international relocation are helping to protect rhinos from poachers.

A fast-spreading bacterial disease might someday destroy the citrus industry.

In the 1990s, the fly Philornis downsi was accidentally introduced to the Galapagos Islands, probably in a shipment of fruit. The adult flies are harmless enough as invaders go, but their kids are a real problem for the islands’ native birds, some of whic