The 2015 Hawaiian monk seal population census reveals a "remarkable" increase in survival rates and a new total population estimate for the native seal of Hawaiʻi.
The speed of vessels operating near endangered killer whales in Washington is the most influential factor — more so than vessel size — in how much noise from the boats reaches the whales.
Unmanned aerial vehicle allows scientists to study killer whale health and reproduction while also offering a glimpse into the family life of these social animals.
With Chinook salmon facing lethally high stream temperatures, scientists deploy a new device to help manage the dwindling supply of cold water that the fish need to survive.
