CONSERVATION

Biologists think that images like these, which let them look at wolf howls instead of just listening to them, might help them better protect wolves.

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.

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