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Polar Bears - Data, Pictures and Videos

United States Polar Offline
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(02-25-2020, 06:45 AM)Rage2277 Wrote:
natureisavage-

A polar bear’s last moments

Sad, but sadly, infanticide is very common in bear culture... Disappointed
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Czech Republic Spalea Offline
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David Yarrow: " Open Water⁣

This “once in a lifetime” encounter with an adult polar bear in the choppy Beaufort Sea was a real test to capture. Keeping the camera and its long lens steady in this situation is close to impossible. My frame would move as the small boat moved - sometimes quite violently.⁣
When the light is poor, the photographer has no chance with these moments, but on this glorious morning I did have a chance as the light was so strong that I could work with a very fast shutter speed. That way the impact of the movement of the camera and the boat could be nullified.⁣
⁣It is moments like this that make the job so rewarding - but they are few and far between. It is imperative to put in the hours.⁣
⁣What a majestic mammal. "


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Venezuela epaiva Offline
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@Polar
Happy birthday enjoy your day
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Czech Republic Spalea Offline
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David Yarrow: " 78 Degrees North⁣
It’s almost exactly three years ago that I took this picture in Svalbard. It’s perhaps on my podium as one of the three most precious images of my career. Some days I think it takes the gold. ⁣ "



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United States Pckts Offline
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Sanju Offline
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United States Polar Offline
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Here are some interesting facts about the polar bear's main habitat:

9 Facts About Arctic Sea Ice
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United States Polar Offline
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( This post was last modified: 06-25-2020, 01:10 PM by Polar )

Baby bear!

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United States Polar Offline
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( This post was last modified: 06-25-2020, 01:12 PM by Polar )

About to cover the camera...

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Czech Republic Spalea Offline
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Wild Eye: " In a new weekly series, Wild Eye brings you some facts about the species they come across on their expeditions and tours across the globe.

This week we focus on the Polar Bear.
The classic white bears are not really white. Polar bears actually have black skin and hollow, colourless hair. Their hollow fur reflects light and traps the sun’s heat to help keep them warm.
Polar bears can overheat. Though they are adapt to survive Arctic temperatures, which can dip below -50°C, they can also overheat. This becomes more of a risk when running and in the summer – when temperatures rise above freezing and up to 20°C.
Polar bears clean themselves by rolling in the snow. Staying clean also helps the insulating properties of their fur, so after feeding they will often freshen up by taking a swim or roll in snow.
They’re quick on their feet. Polar bears can reach speeds of up to 40km per hour (25 mph) on land.
Polar bears are also excellent swimmers and can comfortably swim around 10 km per hour (6mph). They use their large front paws to propel themselves through the water and their back legs to steer. Their latin name actually means “sea bear”.
Polar bears are the largest land carnivore. Males can weigh more than 800kg (1700 lbs).
The biggest threat to polar bears is shrinking sea-ice. Climate change is causing sea-ice to melt earlier and forming later each year, which means that polar bears have less time to hunt on top of the sea-ice. The bears rely on this sea-ice as a platform to hunt sea prey like seals that come onto the ice and give the bear the advantage.
They have a very good sense of smell. Polar bears can sniff out seals – their main food – from up to 1 km (0.6 miles) away and even under 1m (3 ft) of snow.
Polar bears in the wild can live up to 30 years. Most polar bears live up to 15 – 18 years.
A female polar bear will have an average of five litters of cubs in her lifetime. Two-thirds of polar bear litters are twins! "


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Malaysia scilover Offline
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(07-04-2014, 10:41 PM)Richardrli Wrote: Two adult polar bears captured and weighed in Alaska in August 2008. The female is 26 stones (165.1kg) while the huge male is 110 stones (698.5kg). 
http://www.dailymail.co.uk/news/article-...fully.html

they have a huge difference on the weight. Even their size were actually look quite the same but the weight has a huge differences. 


Attached Files Image(s)
   
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Czech Republic Spalea Offline
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David Yarrow: " Diamonds In The Sky⁣


To mark National wildlife day in the US, I look back on a memorable encounter on the North Slope of Alaska. This day serves to bring awareness of endangered animals. I think we deserved the image because the previous 72 hours had been very tough both weather wise and content wise. Regardless, we fancied our chances from about 5am as the storm passed. We had done our homework and had the very best local guide. It’s moments like this and images like this that make all the compromises so worthwhile. We were very privileged to work so closely with such a magnificent animal as the adult polar bear.⁣

The hard thing, as many know, about working from a small boat in choppy seas, is that the camera moves in step with the boat. This is tough enough on a small lens, but with a big lens it’s very challenging indeed. Throw in subzero temperatures and a wind chill and we have a true test of one’s ability to work in tough conditions. I am glad no one can see some of the pictures I took in that sequence - they were of the sky!⁣ "


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Venezuela epaiva Offline
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Big male compared to the author of the book Andrew E. Derocher, Polar Bears: A Complete Guide to Their Biology and Behavior

*This image is copyright of its original author
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Dark Jaguar Offline
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*This image is copyright of its original author
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