Killer whales have unique black and white marking and dorsal fins on each individual. They can grow up to 32 feet in length and weigh up to approximately 11 tons. They exhibit sexual dimorphism, with males considerably larger than females. They can live somewhere between 30 and 90 years.
Overview
Species Common Name Killer Whale (southern resident DPS)
The southern resident DPS of killer whales need sufficient quantity and quality of prey. They eat primarily salmon. Ocean noise can interfere with predation. Oregon waters are part of their federally designated critical habitat. They have low population size and low productivity, making this DPS of killer whales vulnerable to anthropogenic impacts.
Limiting factors
Threats to the southern resident DPS of killer whales include chemical contaminants including oil spills, disturbance from vessel traffic and noise, entanglement in fishing gear, food limitations.
Data gaps
• Monitor seasonal use of Oregon waters.
Conservation actions
• Engage Oregon state agencies in conservation efforts
• Develop state endangered species management plans
• Implement outreach/education activities
