grijze walvis – Zeezoogdieren.org

Verdwaald walviskalf uit Stille Oceaan ‘vastgeraakt’ in Middellandse Zee

6 mei 2021 door frank

Voor de kust van Zuid-Frankrijk is de afgelopen dagen voor het eerst een grijze walvis gesignaleerd. Het ongeveer vijftien maanden oude en acht meter lange exemplaar werd de afgelopen weken al gespot voor de kust van Marokko en Italië. Het Franse reddingsnetwerk voor gestrande zeezoogdieren (RNE) vermoedt dat de ongewone bezoeker is verdwaald. >> lees … Meer lezen

Why are so many gray whales dying in the Pacific?

18 april 2021 door frank

Scientists struggle to explain why the gray whale population plummeted by nearly a quarter between 2016 and 2020. >> read more …

2019-2021 Gray Whale Unusual Mortality Event along the West Coast and Alaska

14 januari 2021 door frank

Since January 1, 2019, elevated gray whale strandings have occurred along the west coast of North America from Mexico through Alaska. This event has been declared an Unusual Mortality Event (UME). >> read more …

Necropsies Unveil More about Mass Gray Whale Deaths

5 juni 2020 door frank

Hundreds of gray whales in the eastern Pacific Ocean have died since last year, and scientists are beginning to understand why. >> read more …

Protected on One Side of the Border, Hunted on the Other

2 juni 2020 door frank

Differing interpretations on the status of some coastal gray whales in Canada and the United States could make it difficult to strike a balance between conservation and Indigenous rights. >> read more …

Health of Grey whales declines

29 april 2020 door frank

Three years of “health check-ups” on Oregon’s summer resident gray whales shows a compelling relationship between whales’ overall body condition and changing ocean conditions that likely limited availability of prey for the mammals, a new study from Oregon State University indicates. >> read more …

What killed hundreds of mighty gray whales? Beloved Puget Sound visitors may hold clues

29 februari 2020 door frank

The mighty grays undertake one of the longest migrations of any mammal, traveling from Arctic feeding grounds to calving areas in Mexico, then back north again come spring. A small group of about a dozen whales pause along the way, sticking around in northern Puget Sound typically from March through May, though some arrive earlier, … Meer lezen

Gray whales strand more often on days with increased levels of atmospheric radio-frequency noise

25 februari 2020 door frank

We use 31 years of gray whale (Eschrichtius robustus) stranding data to build on earlier work that found a positive relationship between strandings and sunspot counts. The increase in strandings under high solar activity is best explained by an effect on the sensor, not on the magnetic field itself. >> read more …

Investigation of West Coast Gray Whale Strandings Continues as Whales Head South for the Winter

22 januari 2020 door frank

he Central California survey counts migrating whales for a new population assessment. >> read more …

Tiny Gray Whale Calf Bonds With Mom in Heartwarming Drone Video

18 januari 2020 door frank

Beautiful drone video filmed near Dana Point, California, the Dolphin and Whale Watching Capital of the World®, during one of our daily whale watching cruises, of a mother and calf gray whale making their way south to Baja California, Mexico.

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