# data[].attributes.headline
Polar bears have blubber to keep them warm and dry.

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Polar bears have blubber to keep them warm and dry.

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Polar bears can walk 621 miles in one day.

# data[].attributes.subject
Polar bears can walk 621 miles in one day.

# data[].attributes.headline
Polar bears are the biggest species of bears.

# data[].attributes.subject
Polar bears are the biggest species of bears.

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Polar bears have 4 paws with black pads. The pads have bumps to keep them from slipping or sliding. 

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Polar bears have 4 paws with black pads. The pads have bumps to keep them from slipping or sliding. 

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They have 5 claws that help them grip the ice.

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Polar bears eat ringed seals, beard seals, harp, hooded seals, beluga whales, narwhals, and bowhead whales. 

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Polar bears eat ringed seals, beard seals, harp, hooded seals, beluga whales, narwhals, and bowhead whales. 

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Polar bears can be predators to other polar bears.

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Polar bears can be predators to other polar bears.

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Wolves and other meat eating animals can eat the cubs.

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Polar bears can hold their breath underwater for 2 minutes.

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Polar bears can hold their breath underwater for 2 minutes.

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Polar bears can live up to 20 to 30 years, but some only live about 15 to 18 years.

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Polar bears can live up to 20 to 30 years, but some only live about 15 to 18 years.

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Polar bears are 3-5 feet tall when they stand on their four legs.

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Polar bears are 3-5 feet tall when they stand on their four legs.

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Polar bears are 7 to 8 feet when they stand on their hind legs.

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Polar bear cubs stay with their mom up to 30 months.

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Polar bears have a tail that is 2.5 to 5.8 inches long.

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Polar bears have a tail that is 2.5 to 5.8 inches long.

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Polar bears live in cold climates like the Arctic Circle.

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Polar bears live in cold climates like the Arctic Circle.

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Polar bears can swim 30 miles in one stretch.

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Polar bears can swim 30 miles in one stretch.

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The record is 220 miles.

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Female polar bears weigh 330 to 550 pounds.