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Ecology

Antlers remain intact for hundreds to thousands of years.

How Conservation Paleobiology Serves as a Guide for Restoring Ecosystems

Researchers use historic remnants like antlers, shells, teeth and pollen to learn how natural communities once worked

An aerial image of the banyan tree taken on August 10, 2023

Will Maui’s Beloved 150-Year-Old Banyan Tree Survive the Scorching Wildfires?

Amidst the devastation of Lahaina, a coastal town in Maui, the tree is burned but still standing

A trumpetfish shadows a parrotfish. A new study suggests that this tactic makes it harder for prey to notice the predatory trumpetfish behind the non-threatening, plant-eating parrotfish.

These Long, Skinny Fish Hide Behind Bigger Fish to Sneak Up on Their Prey

Scientists made 3D-printed models of fish and tested them in the ocean to study this clever hunting strategy

“Only among the hills with hare and kestrel will you observe what once this land was like before we made it fat for human use.” — “The Colony” by John Hewitt

These Surfers Want to Restore Temperate Rainforests to Ireland

In the rainy mountains along the country’s west coast, a movement has begun to bring back an ecosystem that has been gone for centuries

Honeybees, which are not native to the United States, may be outcompeting native bees for pollen.

Pollination From Honeybees Could Make Plants Less Fit to Survive and Reproduce

Plants visited by honeybees rather than native bees may become more inbred, a new study suggests

Researchers standing next to the tree at Yarlung Zangbo Grand Canyon National Nature Reserve look small by comparison.

See the New Tallest Tree in Asia, a 335-Foot Cypress

Easily taller than the Statue of Liberty, the behemoth is likely the second-tallest known tree in the world

Cleanup crews pressure-wash crude oil off the shoreline after the Exxon Valdez spilled more than ten million gallons into Alaska’s Prince William Sound in 1989. U.S. National Oceanic and Atmospheric Administration scientists began taking annual photos the following year to document the intertidal zone’s recovery.

Why Have Alaskans Been Photographing This Volkswagen Beetle-Sized Boulder for 33 Years?

A scientist began taking shots after the Exxon Valdez oil spill, and volunteers have since taken over

Representative Robert F. Broussard believed hippos imported from Africa would rid Louisiana and Florida of the water hyacinths smothering their waterways.

Untold Stories of American History

How the U.S. Almost Became a Nation of Hippo Ranchers

In 1910, a failed House bill sought to increase the availability of low-cost meat by importing hippopotamuses that would be killed to make “lake cow bacon”

View of the Skagit River, with the Diablo Dam (completed in 1930) visible

On This Disputed River, Progress May Mean a Return to the Past

Winding through British Columbia and Washington, the Skagit has a history that reflects competing conceptions of advancement

Christopher Heckscher, ornithologist by day and firefly hunter by night, at work in the Nanticoke Wildlife Area, Delaware.

The Illuminating Science Behind Fireflies

A dedicated ornithologist with a passion for lightning bugs scours bogs and beaches to discover previously unknown species

Male California sea lions are polygamous and must fight to defend their territories and their harems.

Why Male California Sea Lions Are Getting Bigger

The “raccoons of the sea” have varied diets, allowing them to grow large to compete for mates

Researchers hike near a creek that formed after a glacier retreated.

As Glaciers Retreat, New Streams Offer Homes for Salmon

After the waterways form, insects move in, alders and willows spring up, and spawning fish arrive in thousands

A bear in Colorado took a liking to a wildlife camera, capturing hundreds of selfies.

This Black Bear Took Hundreds of ‘Selfies’ on a Wildlife Camera

Of the 580 images captured by the camera in November, about 400 were of the bear

This year's titles include I Was Better Last Night, Accidental Ecosystem and Winslow Homer: American Passage.

The Best Books of 2022

Smithsonian Scholars Pick Their Favorite Books of 2022

This wide-ranging list offers context for our rapidly changing world

According to the National Park Service, 95 percent of U.S. brown bears live in Alaska.

Getting Up Close to the Bears of Alaska’s Lake Clark National Park

The high density of brown bears in the protected area makes it an ideal spot for viewing and research

Photographed on September 14, 2022, 480 Otis is the reigning 2021 Fat Bear Week champion.

How the Bears at Alaska’s Katmai National Park Became Celebrities

Park officials had no idea that the installation of live nature cameras at Brooks River ten years ago would lead to the wildly successful Fat Bear Week

The Panamanian golden frog is now extinct in the wild due to a disease caused by a fungus known as Bd or chytrid

Amphibian Plague Led to Malaria Surge in Humans

A new study marks the first time the frog pandemic has been linked to human health

Ants have several key roles in keeping their environments in balance, including aerating the soil, dispersing seeds, decomposing organic material and serving as a food source. 

An Estimated 20 Quadrillion Ants Live on Earth

The weight of the world’s ants exceeds that of all wild birds and mammals combined

Burls are bark-covered growths that can protrude from a tree’s trunk. They contain unsprouted bud tissue, and produce a wood that’s valued for its unique grain and smooth workability.

What Is the Financial Value of an Old-Growth Tree?

In setting fines for timber poaching, experts are looking at different ways to calculate the worth of trees

Lions in South Africa’s Greater Kruger National Park are feared by many different prey animals, which will run away as soon as they hear a lion growl.

How Animals Survive in a Savanna Full of Predators

Ecologists have documented a hierarchy of fear in the South African grassland, and the king of beasts is at the top

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