Hormone levels can help us understand stress in endangered orcas

© Wild OrcaThe Southern Resident killer whales are endangered due to…


Scientists' model turns clock back, then forward to understand human impacts on orcas

© Stewart MacintryreWith more than 700 individuals, Alaska has the…


An increase in vessel distance reduces endangered orcas' exposure to harmful emissions

Southern Residents © Stewart Macintyre/CWRIn a recent BBC interview,…


Why a strong social network improves survival rates of male Southern Resident killer whales

Social time © Stewart MacintryreThe Southern Resident killer whales…


How much more evidence does NOAA Fisheries need to save the Southern Resident killer whales?

© Sara Hysong ShimazuIt’s concerning that after reviewing all the…


Fraser River salmon face multiple threats in both their freshwater and marine habitats

J pod heads towards Fraser River © Wild OrcaThe Lower Fraser River…


Why are so few babies born in the Southern Resident killer whale community?

J52 Sonic © Sara Hysong ShimazuThe population of the endangered…


Same meal, different restaurant: what we learn by listening

Northern Resident killer whales © Wild OrcaThe Southern and Northern…


How ears keep track when endangered orcas are out of sight

Image © Jeff Hogan, killerwhaletales.orgWhen the Southern Resident…