ABC Islands Bear

in #photofeed5 years ago

A couple of shots of an ABC Islands bear (Ursus arctos sitkensis) or Sitka brown bear taken on Baranof Island. I took these shots before heading off on a short sailing trip in South East Alaska. It is a subspecies of brown bear or grizzly bear that resides in Southeast Alaska and is found only on the ABC Islands (Admiralty Island, Baranof Island, and Chichagof Island) . The bear is slightly different to a standard brown bear in that around 6.5% of the X chromosomes from the ABC Islands bears have recently come from polar bears. This is in contrast to 1% of the ABC Islands bears genomes containing polar bear DNA. It is believed that the present polar bear DNA stems from a group of polar bears that were stranded in Southeast Alaska at the end of the last glacial period due to receding ice. Male brown bears migrated to the island and interbred, leaving the phenotype and genotype of these bears to be primarily brown bear.

GrizzlyRest.jpg

The story of the ABC islands bear is warning as to the future of all polar bears as the arctic continues to warm at twice the rate of the rest of the world and the fastest rate in measurable history. The media often focuses on the record low summer sea ice coverage which according to NASA is declining at a rate of 13.2% per decade and accelerating. However perhaps more startling is the US National Snow and Ice Data Center (NSIDC) report released in April on the age of arctic sea ice which provides a better indicator of the decreasing thickness of the ice and total ice volume. Ice older than one year covered 61% of the region in 1984, compared to just 34% in 2018. Only 2% of the Arctic’s sea ice is now five years old or older, compared to 30% in 1984. With several consecutive years of winter heatwaves in the arctic, the total surface area of the ice is now shrinking in across all seasons, not just in summer. Seems we are heading for an ice free summer arctic within 10 and 30 years from now.

ABCIslandsBear.jpg

The bears have been known to weigh up to 680 kg (1,500 lb), standing up to 3 metres (9.8 ft) tall on their hind legs , or 1.5 metres (4.9 ft) at the shoulder when on all four legs. This shot was taken at Fortress of the Bear, a volunteer run refuge for orphanned bears. Sadly cubs are often left behind when their mothers are hit by cars or trucks, or when their mothers are shot for entering built up urban areas. Orphaned cubs that are human socialised though the rescue process are difficult to reintroduce to the wild, often spending their entire life in reserves such as this one if they are lucky enough not to be put down. The state of Alaska has no bear rehabilitation program in place, and unfortunately orphaned cubs are normally simply shot by the Department of Fish and Game for lack of an alternative. Sitka, Alaska.

If you would like to learn a little bit more about my background in photography you can read the interview @photofeed did with me here.

Robert Downie
Love Life, Love Photography

All images in this post were taken by and remain the Copyright of Robert Downie - http://www.robertdowniephotography.com

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Lovely bear) Great post and beautiful photos!

Love this Robert! That guy is relaxing so hard. Resteemed!

what a cute bear, great pictures :)

Cool, to see a bear in the wild. And for polar bears it's time to build a center with suitable conditions

Lazy bear.

no no... it's clear through its expression that it's a tired bear.

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Amazing shots. You should be in National Geographic

That portrait shot :O

Also who doesn't love a picture of a bear just chilling XD

Sad that there's no rehab program :<

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