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Curiosities, questions and fascinating facts

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Physical Characteristics

Is a Siberian or Bengal tiger bigger? Siberian is largest

October 5, 2026 by Animals Editorial Team
Large male Siberian tiger with a thick pale orange coat standing in a snowy birch forest

Animal Diversity Web and the Smithsonian’s National Zoo name the Siberian (Amur) tiger the largest tiger subspecies, and each gives male sizes.

Categories Physical Characteristics Tags Tiger

Gorilla vs bear: size and build compared side by side

October 5, 2026 by Animals Editorial Team
Silverback gorilla sitting calmly on a mossy rainforest floor, its long muscular arms resting on the ground

Gorilla vs bear compared: weights, lengths and builds for gorillas and for brown and grizzly bears, each figure with its source and scope.

Categories Physical Characteristics Tags Bear, Gorilla

Is a grizzly stronger than a polar bear? Size and strength

October 7, 2026October 5, 2026 by Animals Editorial Team
A brown grizzly with a shoulder hump and a larger white polar bear face each other on a rocky arctic shore

Brown bears are described as extremely strong and polar bears as strong hunters, and polar bears tend to be larger. Compare their size, build and hunting.

Categories Physical Characteristics Tags Bear, Polar bear

Wolf vs dog: gray wolves are widely seen as dogs’ ancestors

October 6, 2026October 5, 2026 by Animals Editorial Team
A gray wolf and a shorter-legged pet dog standing together in a snowy forest clearing

Gray wolves are widely recognized as the ancestor of all domestic dog breeds. A wolf’s legs are longer and its feet bigger than those of large domestic dogs.

Categories Physical Characteristics Tags Wolf

Could a Bengal tiger beat a lion? Size, build and range

October 7, 2026October 5, 2026 by Animals Editorial Team
A Bengal tiger with black stripes and a maned male lion stand side by side on dry grassland in warm light

The tiger is the largest living cat, yet large lions can exceed smaller tigers in size. See weights, builds and ranges for a Bengal tiger and a lion.

Categories Physical Characteristics Tags Lion, Tiger

What was the biggest elephant ever recorded? About 24,000 pounds

October 13, 2026October 5, 2026 by Animals Editorial Team
A huge African savanna elephant bull with long tusks and large ears stands alone on open grassland at golden hour.

The largest elephant on record, an adult male African savanna elephant, weighed about 24,000 pounds, according to the San Diego Zoo Wildlife Alliance.

Categories Physical Characteristics Tags Elephant

Why do giraffes have purple tongues? Melanin makes the color

October 5, 2026 by Animals Editorial Team
Giraffe in profile curling its long dark purple tongue around an acacia branch on the savanna

Melanin gives a giraffe’s tongue its purple, blue or black color, and the dark color is thought to protect giraffes from sunburn while they reach for leaves.

Categories Physical Characteristics Tags Giraffe

Which is bigger, hippo or rhino? The white rhino ranks higher

October 5, 2026 by Animals Editorial Team
White rhino and common hippo standing together at an African waterhole, showing their different body shapes and size

National Geographic ranks hippos third among land mammals, after elephants and white rhinos. See weights, lengths and heights for both animals.

Categories Physical Characteristics Tags Hippopotamus, Rhinoceros

Gorilla bite force: what the research does and does not show

October 11, 2026September 30, 2026 by Animals Editorial Team
Adult male western lowland gorilla sitting in a rainforest, showing the prominent sagittal crest on his skull

None of the zoo, wildlife or research sources behind this article gives a measured gorilla bite force. They describe skull crests, jaw muscles and teeth.

Categories Physical Characteristics Tags Gorilla

Orca bite force: what jaw research does and does not show

September 30, 2026 by Animals Editorial Team
Adult orca surfacing with open mouth showing rows of conical interlocking teeth, calm ocean in the background

This article’s sources give no measured orca bite force. One thesis concludes the killer whale appears to lack an especially powerful bite for its skull size.

Categories Physical Characteristics Tags Orca
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Recent articles

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  • Do platypuses sweat milk? Mammary patches and nursing
  • Why do octopuses have three hearts? Gill and systemic flow

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