Most southern resident orcas are related. Is that a problem? In their latest effort, NOAA Fisheries researchers will study the genetic code of 100 living and dead whales in the southern resident population. Paige Browning
Toxic PCBs threaten orcas around the world Killer whales can be found around the world, and more than half of those populations are threatened by toxic chemicals called PCBs, according to a new study in the journal Science. John Ryan
Another ailing orca – and three pregnant ones Governor's task force seeks comments on its recommendations to save 74 whales from extinction as three of them are found to be pregnant. John Ryan
One way to watch orcas without disturbing them? On land LISTEN to giddy-sounding orca vocalizations (are they laughing??) John Ryan
Should you feel guilty for eating Chinook salmon? Given the starving orca population in the Puget Sound, we look at whether or not humans should stop eating Chinook salmon. Sophie Reid
How far will we go to save a single, sick orca? There has been an extraordinary federal-local-tribal effort aimed at nursing the killer whale known as J50 back to health. But is it far enough? Seattle... Angela King
