What it Sounds Like When Doves Cry

A century ago, an ornithologist proposed a system for transcribing bird sound as human speech. It did not catch on.
Brown Bears Sitting Together

Celebrate World Bear Day!

The joy and concern we feel on World Bear Day perfectly represents our complicated—and sometimes contradictory—feelings about these massive mammals.
Cougar Silhouette

Ghost Cats of the East

Why do people claim to see cougars in the eastern United States when the cats are now extremely rare in that part of North America?
Watercolor illustration of Plumeria Acuminata commissioned by Scottish doctor and botanist William Roxburgh, late 18th century or early 19th century.

Plant of the Month: Frangipani

An ornamental plant whose white flowers hang over graveyards and temples in Southeast Asia presents complicated questions on national belonging and religious identity.
An illustration of Morning Glory flowers

Aphrodisiacs of the Aztec and Inca

Aztec and Inca societies used a huge number of aphrodisiacs, from peanuts to hallucinogenic mushrooms to insect larvae.
Salamander on finger.

The Next (Salamander) Epidemic

Everybody loves salamanders, especially the exotic pet industry. But importing these amphibians helps spread diseases like Bsal and Bd to native populations.
From The Tertiary insects of North America, 1890

Historical Bugs: Archaeoentomology

The remains of ancient insects reveal new information about Paleo-Eskimo life and the history of the Norse in Greenland, Iceland, and the Faroe Islands.
seaweed on a spoon

Eating Seaweed in the Americas

From the kelp highway to blue plate kelp specials, seaweeds are gaining greater acceptance on the dining tables in the Americas.
Ilex paraguariensis

Plant of the Month: Yerba Mate

The biological and cultural profile of mate has affected its global expansion, unlike other plants native to the Americas, such as cacao and maize.
Illustration of two house sparrows

Words for Birds

From the meaning of birdsong to the history of birdwatching, from the effects of climate change to the cunning of crows—our bird stories have it all.