What could be impacting the food source of Southern Resident killer whales?
There are currently 74 Southern Resident killer whales, and this population is listed as endangered in both Canada and the U.S. The species relies on Pacific salmon (Chinook and coho) for food, however these salmon populations have been decreasing for decades.
Shark-bitten orcas in the Northeastern Pacific could be a new population of killer whale
UBC researchers believe a group of killer whales observed hunting marine mammals including sperm whales, as well as a sea turtle, in the open ocean off California and Oregon could be a new population.
Toxic chemicals found in oil spills and wildfire smoke detected in killer whales
Toxic chemicals produced from oil emissions and wildfire smoke have been found in muscle and liver samples from Southern Resident killer whales and Bigg’s killer whales.
Teenage orcas could be roughhousing with boats off the coast of Spain
Killer whales are in the news for sinking boats off the coast of Spain.