
Killer Whale - NOAA Fisheries
2025年1月14日 · The killer whale is the largest member of the dolphin family. The population of Southern Resident killer whales in the Pacific Northwest is one of the most critically endangered marine mammals. Learn about our work to protect and conserve killer whales.
Sound Strategy: Hunting with the Southern Residents, Part 2
2020年6月15日 · The Southern Residents are the southernmost population of fish-eating orca in the eastern Pacific. They prefer Chinook salmon to all other prey. They seek out the largest, oldest individuals.
Diversity of Fish Species Support Killer Whale Diet Throughout the …
2021年3月3日 · Endangered Southern Resident killer whales prey on a diversity of Chinook and other salmon. The stocks come from an enormous geographic range as far north as Alaska and as far south as California’s Central Valley, a new analysis shows.
New killer whale species: Bigg's and resident killer whales | NOAA ...
2024年3月27日 · Killer whales are one of the most widespread animals on Earth. They have long been considered one worldwide species known scientifically as Orcinus orca , with different forms in various regions known as “ecotypes.”
Comparing Killer Whale Cuisine - NOAA Fisheries
2024年9月19日 · New research aims to understand how two populations of North Pacific resident killer whales find food and what they eat. Southern Resident Connections - Post 38 Scientists studied two populations of fish-eating killer whales: the Southern Residents and the southern Alaska residents.
WhaleWatch - NOAA Fisheries
WhaleWatch is a NASA-funded project coordinated by NOAA Fisheries' West Coast Region to help reduce human impacts on whales by providing near real-time information on where the whales occur and hence where whales may be most at risk from threats, such as ship strikes, entanglements, and loud underwater sounds. These model estimates were developed from …
What is Nearshore Habitat and Why Does it Matter to Orcas?
2020年6月22日 · There is an especially valuable environment in Puget Sound made up of the beaches, bluffs, inlets, and river deltas: the nearshore. Nearshore habitat matters to Southern Resident killer whales because their primary prey, Chinook salmon, need them to grow and find safety when they are young.
Why Can’t Killer Whales Find and Capture Food? The Ocean Is too …
2024年9月11日 · New research shows that vessel noise—the rumble and churn of boats and ships—disrupts killer whales' ability to find and capture food. This can have serious consequences for these whales, especially considering the challenges they already face.
False Killer Whale - NOAA Fisheries
2025年4月4日 · False killer whales are top predators that primarily hunt fish and squid. They feed both during the day and at night, hunt in dispersed subgroups, and converge when prey is captured. Prey sharing has also been observed among individuals in the group.
Cause of Death Determined for 11 Killer Whales Incidentally …
2023年12月1日 · NOAA Fisheries has confirmed the causes of death or injury for 11 killer whales caught incidentally in fishing gear and a NOAA research survey in Alaska in 2023.