Orca - Wikipedia
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body.
As Arctic Sea Ice Melts, Killer Whales Are Moving In
2021年12月3日 · One of the ocean’s most fearsome predators is muscling into new parts of the icy Arctic Ocean. Orcas, also known as killer whales, are showing up in places they’ve never been spotted...
As Arctic Sea Ice Retreats, Orcas Are on the ... - Smithsonian Magazine
2021年12月3日 · As sea ice melts because of climate change, orcas—also known as killer whales—are venturing into once-icy waters. Their expansion into the Arctic has cascading effects on the food web, other...
Killer whales lingering in increasingly ice-free Arctic Ocean
2021年12月3日 · Continuous reduction in sea ice in the Arctic Ocean is opening areas to increased killer whale dwelling and predation, potentially creating an ecological imbalance.
What do killer whales eat in the Arctic? - ScienceDaily
2012年1月29日 · New research has combined scientific observations with Canadian Inuit traditional knowledge to determine killer whale behavior and diet in the Arctic. Killer whales (Orcinus orca) are the top...
Orcas are spreading further into the Arctic Ocean as sea ice melts
2021年12月2日 · Orcas – also known as killer whales – used to be unusual visitors to the Arctic Ocean off Alaska, but they are becoming more common there, which might be bad news for local ecosystems. By Chen Ly
Distributions of Arctic and Northwest Atlantic killer whales inferred ...
2021年3月24日 · Over the past several decades, killer whales have been observed more frequently in both the eastern Canadian Arctic (ECA) 5 and off the coast of Newfoundland and Labrador (NL) 6, potentially...
Climate change introduces threatened killer whale populations …
2024年6月1日 · The Arctic is the fastest-warming region on the planet, and the lengthening ice-free season is opening Arctic waters to sub-Arctic species such as the killer whale (Orcinus orca). As apex predators, killer whales can cause significant ecosystem-scale changes.
Shrinking sea ice may mean new opportunities for killer ... - WWF Arctic
In the Alaska Arctic, sea ice has historically kept killer whales at bay. But as BRYNN KIMBER writes, the triumphant calls of transient killer whales are sounding more and more frequently in Alaska as the Arctic warms and sea ice melts.
As Arctic Sea Ice Melts, Killer Whales Are Moving In
2021年12月15日 · One of the ocean’s most fearsome predators is muscling into new parts of the icy Arctic Ocean. Orcas, also known as killer whales, are showing up in places they’ve never been spotted before. Scientists believe melting sea ice is to blame.