WebScientists believe the decline of wild Chinook salmon —a major orca food source—as well as climate change, pollution, and vessel noise, could eliminate this population of orcas unless dramatic steps are taken to save … WebApr 7, 2024 · Scientists have discovered a new way to estimate the age of endangered Southern Resident killer whales by analyzing DNA from their skin. Where genetics focuses on changes in the DNA sequence itself, epigenetics explores how DNA is modified or packaged within a cell. For this study, researchers focused on one specific modification …
Orca National Wildlife Federation
Web2 hours ago · Jan. 12, 2024 — A chemical used in the production of toilet paper and 'forever chemicals' have been found in the bodies of orcas in B.C. , including the endangered southern resident killer ... WebSep 23, 2024 · Just 44 orcas have been born since 1998, and within the same time frame, 81 have died or disappeared. One captured the world’s attention in 2024 when she gave birth, … bis stand for
Southern Resident Orcas: An Endangered Species on the Brink
WebLearn about the endangered Southern Resident orca population and understand why it is important to take action to protect and recover this iconic and culturally significant population. Photos by Rachael Merrett … WebJan 7, 2024 · In the 15 years since officially being designated as an endangered species, the Southern Resident population has continued to decline almost every year. It is no secret … WebApr 12, 2024 · The Oregon Marine Mammal Stranding Network responds to more than 400 marine mammal strandings along the Oregon coast each year. In most stranding cases, the cause of the stranding is unknown, but some identified causes have included disease, parasite infestation, harmful algal blooms, injuries from ship strikes or fishery … darthsternie firmware switch