Earth Optimism

Most cat foods contain high-quality proteins but are often plant-based and may drive cats to hunt to get the micronutrients they are missing from their cat food.

To Protect Local Wildlife, Feed Your Cat Meatier Meals

Well-fed felines brought 36 percent fewer kills back home—if allowed outside

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

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

During fall migration, nearly 40 percent of Anna’s Hummingbirds (Calypte anna) migrate through California’s Central Valley

California's Central Valley and the Colorado River Delta Are Epicenters for North America's Migratory Birds

A database called eBird reveals as many as 65 million birds fly through these Western migration zones

All dogs with the genetic signature A2b descended from the same Siberian canines roughly 23,000 years ago

How Dogs Migrated to America From Ice Age Siberia 15,000 Years Ago

Northern Siberians and ancestral native Americans may have traded pups at the time

The tasty fungi are naturally found deep within the roots of various trees, like oaks, hazels, spruces, and pines, because of the two organisms share a symbiotic relationship.

In Central Europe, Climate Change Could Boost Truffle Cultivation by 2050

Fancy fungi grown in the Czech Republic may benefit from global warming

Onlookers identified the snowy owl as a young female because of its thick black stripes.

Snowy Owl Stops in Central Park for the First Time Since 1890

The bird attracted a crowd of about 100 birdwatchers, a territorial hawk and several crows

Fossil remains of crocodiles from as early as the Jurassic period show identifying characteristics in modern crocodiles

Are Crocodiles Flawless? The Reptiles Haven't Changed in 200 Million Years

For crocs, slow and steady wins the evolutionary race

Common murres live on rocky cliffs like those at Stora Karlsö, an island in the Baltic Sea.

Pandemic Reveals Ecological Benefits of Tourists in One Seaside Town

When people stayed home, white-tailed eagles converged on the island of Stora Karlsö in Sweden

Soil samples collected throughout the western United States show the wide variety of minerals and colors belowground.

Meet the Soil Scientists Using Dirt to Make Stunning Paints

Professors in California and Wyoming use the unique palettes to teach geology

Catnip and a plant called silver vine, Actinidia polygama, are not closely related, but both make cats go wild.

Felines May Use Catnip for More Than Just Euphoria

The plant may keep pesky mosquitos away

Female springbok mantises will fight against males who want to mate

Male Mantises Wrestle to Escape Cannibalistic Females

Mating is not so romantic for these insects

Vampire finches will resort to drinking blood for survival when they can't find other food sources like seeds and insects.

Why Some of Darwin's Finches Evolved to Drink Blood

Scientists suggest the vampire finch evolved to drink blood to survive the volcanic archipelago's harsh environment and scarce resources

A Wolverine atop a tree log.

Wolverine Captured on Yellowstone Trail Cameras for the First Time

The species’ numbers in the United States were diminished by predator control efforts and trapping

Seen here, conservation canine Betty White sniffs the ground while she trains to search for bumble bee nests.

Meet Ernie and Betty White: Two Conservation Dogs Sniffing Out Invasive Species in Wisconsin

These aren’t the only Labradors using their powerful sense of smell to aid in wildlife preservation efforts

This is the first time that dwarfism has been documented in captive or wild giraffes.

Scientists Report First Instances of Dwarf Giraffes

Two individuals spotted in the wild seem to have classic long necks but unusually short, stubby legs

An Evening Grosbeak sits on a branch covered in rime ice in Minnesota.

The Wintertime Wonder of Unusual Ice

Rime ice in the Midwest and hair ice in the United Kingdom have people wondering: Why does ice do that?

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