Скачать или смотреть Stunning Orca Whales Rubbing Against Stones at Strider Rubbing Beach 8/24/2024 explore.org

In this compilation, Orca whales visited Strider Rubbing Beach and spent about 45 minutes rubbing their bodies against the smooth stones underwater on the bottom. Orca’s don’t have barnacles, so they don’t rub against the rocks to remove things stuck to their bodies. No one knows for sure why the Orca’s go to rubbing beaches pleasurable thing the whales do, like a stone massage.

Thanks to the partnership between OrcaLab and Explore.org, viewers can watch this behavior on live nature cams, underwater and from above.

From https://orcalab.org/orcas/

The Resident orca populations are further split into Northern and Southern Residents and their range extends from Washington State up to southeast Alaska. These two resident communities, despite their close geographic proximity, have never been observed to mix with each other. Their fish-only diet contains predominantly salmon, although they have been observed eating other fish species, too.
Bigg’s orcas (named after Michael Bigg) can cover huge distances from Alaska down to California. They predate on marine mammals and hunt silently. The Offshore population is much more elusive, only seen in inland coastal waters infrequently. Studies suggest they are fish eaters, feeding perhaps on sharks.

Communication lies at the core of orca social awareness. Family members are seldom out of hearing range of one another, and their calls echo over many miles in the ocean. Orcas make three types of vocalizations: clicks, whistles, and calls. The clicks are part of the whale’s sonar and are used for echlolocation: for finding and locating food sources, for defining other objects in the ocean, and for locating the whale in its environment. Whistles are typically continuous tone emissions that may last for many seconds. Calls are discrete pulses that are unique to each family of orcas.

OrcaLabs is situated in the historic summer home of many of the Northern Resident population, and they have spent five decades getting to know them.

Diet: Fish (primarily salmon)
Population size: 310 (as of 2022)

Range: Southeast Alaska to Northern Washington

Learn more here: https://orcalab.org/research/

Strider Orca Rubbing Beach, Hanson Island, British Columbia, Canada

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