The race to save our orcas: How the Southern Resident population reached an alarming low point

Southern resident orcas reclaim Penn Cove, 50 years after brutal roundups

Southern resident orcas officially considered endangered in Oregon

Good news for southern resident Orcas

Southern Resident orcas finally return to Northwest waters

Day 114 out of 365 of swimming for the critically endangered southern resident orcas! When excess fertilizers wash into rivers, streams, and eventually the ocean, they bring a surge of nutrients,especially nitrogen and phosphorus. These nutrients fuel massive algae blooms. When that algae dies and decomposes, it sucks oxygen out of the water, creating low-oxygen “dead zones” where fish and marine life can’t survive. Less oxygen means fewer salmon. Fewer salmon means less food for Southern Reside

2 ailing endangered orcas missing, researchers fear they may have died | Globalnews.ca

Watch: Southern Resident Orcas spotted near Vashon Island