Animals

NOAA geneticist Patricia Rosel and Smithsonian marine mammal collection manager John Ososky examine the Rice’s whale skeleton at the Smithsonian whale warehouse in Maryland.

How the Rice's Whale Became a New Species

The intact skeleton of a washed-up whale gave scientists the final pieces of evidence needed to make the designation

A new study analyzes the downy feathers of 249 Himalayan songbird species, including this brown-throated fulvetta, using specimens from the National Museum of Natural History's vast collections.

Himalayan Songbirds Adapted to the Cold by Sporting Thicker Down 'Jackets'

High-elevation birds might use their downy feathers to keep from wasting energy shivering to stay warm

Steppe mammoths evolved shaggy coats over a million years ago, a trait inherited by woolly mammoths.

Oldest DNA Sequenced Yet Comes From Million-Year-Old Mammoths

Genetic material from three ancient molars reveals secrets of about how the Ice Age elephants evolved

The Yorkshire pigs in the study, named Omelet and Hamlet, outgrew their pen after 12 weeks.

Pigs Can Learn to Play Video Games When Tempted by Treats

The four swine in the study always wanted to be the first at the computer each day

Fin whale songs are some of the loudest animals in the ocean, producing calls that can reach 189 decibels and are almost as loud as container ships.

Researchers Use Whale Calls to Probe Undersea Geology

The study finds that fin whale songs are powerful enough to reverberate through the Earth’s crust, allowing scientists to study its thickness and structure

The Hopkins’ rose nudibranch is a carnivorous sea slug that obtains its trademark color from eating pink moss animals.

14 Fun Facts About Bright Pink Animals

From jellyfish to millipedes, the rosy hues make rare but exciting appearances in nature

The broad-tailed hummingbird uses its fiery throat feathers, called a gorget, to attract a mate.

From Aerial Acrobatics to Sexual Deception, See Eight of Nature's Wildest Mating Rituals

Some species have developed unusual rituals to show off their prowess as a potential mate

Pope’s pit viper, a venomous species that lives across Southeast Asia. Someone who is allergic to one type of snake is likely allergic to many types because their venoms have a similar composition.

What Happens When Scientists Become Allergic to Their Research

Researchers spend long periods of time around the organisms they study, and sometimes that exposure has unintended effects

The newly discovered face cream represents the earliest known instance of a Chinese man using cosmetics.

This 2,700-Year-Old Chinese Face Cream Combined Animal Fat and 'Moonmilk'

Researchers found the ancient moisturizer in a nobleman's tomb

January was a month full of firsts for giant panda cub Xiao Qi Ji. The growing bear played with enrichment toys, took his first bites of sweet potato and bamboo, and had his first encounter with snow!

Giant Panda Cub Xiao Qi Ji's Best Moments—in Video

Watch the growing bear play with enrichment toys, take his first bites of sweet potato and bamboo, and have his first encounter with snow

Scientists suspect that the wombat evolved this unique trait to mark its territory on rocks and logs with poop that won’t easily roll off

Wombats Poop Cubes, and Scientists Finally Got to the Bottom of It

The marsupial’s unique digestive tract forms square dung

The black sea cucumber Holothuria atra is found in shallow waters along reefs and uses sand to coat itself for camouflage and protection from the sun.

Sea Cucumber Poop Could Revitalize Coral Reefs

In one reef, three million sea cucumbers released 64,000 metric tons of nutrient-packed poo back into the ecosystem

Sidewinder snakes most likely phased out the spikes along their bellies in favor of a smoother belly that can move with no frictional drag.

Snakeskin Reveals Secrets Behind a Sidewinder's Twisted Wiggle

Serpent bellies seem smooth, but on a microscopic level, their species-specific scale structures may show how they adapted to their environments

Tangle-web spiders can catch prey up to 50 times their size thanks to their pulley system-like hunting strategy.

Small Spiders With Big Appetites Use a Pulley System to Catch Large Prey

New research and videos show how spiders in the Theridiidae family hoist up prey 50 times their size

ENGS peaks in March during the dry season and researcher’s suspect that something within the chimps’ biology or in their environment is prompting the disease

The Mysterious Cause of a Deadly Illness in Sanctuary Chimps Revealed

Researchers identified the 100 percent fatal pathogen as epizootic neurologic and gastroenteric syndrome or ENGS

Researchers were first intrigued by the social structure of the mole rats in the 1970s because, like bees and termites, naked mole rats have a single-breeding queen and have non-breeding worker rats

Naked Mole Rats Speak in Dialects Unique to Their Colonies

The accent is influenced by each group's queen but can vary if the monarch is overthrown

Female Mediterranean field crickets (Gryllus bimaculatus) crickets can tell male cricket qualities and fitness through their courtship songs.

Noise Pollution Interrupts Crickets' Sex Lives

Anthropogenic noise is affecting the female cricket's ability to hear the male's courting song

The male of a newly discovered species named Brookesia nana may be the smallest adult reptile ever found.

Chameleon Discovered in Madagascar May Be World's Smallest Reptile

The male of the newly described species measured just half an inch long from his nose to the base of his tail

Reptile keepers are warming up to a new monitor lizard this winter, a young Komodo dragon named Onyx.

How to Care for Komodo Dragons, the World's Largest Lizards

The Smithsonian's National Zoo is warming up to a new monitor lizard this winter, a young Komodo dragon named Onyx

Three adult gray whales photographed via drone in 2017, 2018 and 2019 in Laguna San Ignacio off the coast of Mexico. The three shots show increasingly skinny whales, a bad sign for an animal that needs to make a 10,000-mile return trip to reach its feeding grounds.

Nearly 400 Gray Whales Have Died Off the West Coast Since 2019

Scientists say the die-off, which is entering its third year, is likely due to a scarcity of food in the animals’ cold water feeding grounds

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