Fossil teeth are quite abundant in Southwest Florida.

Four Places to Find Fossilized Shark Teeth in the United States

Sharks have been losing teeth for 400 million years. Here’s a guide to uncovering some of these plentiful fossils across the country

With a white frame around its eye and green feathers, this Swinhoe’s white-eye is easily camouflaged when flying from flower to flower.

Smithsonian Photo Contest Galleries

See 15 Amazing Photos of Beautiful Birds

These Smithsonian Magazine Photo Contest images celebrate our feathered friends

A young blackpoll warbler with a NanoTag on Borgles Island, Nova Scotia

Tiny Trackers Are Revealing the Secret Lives of Tens of Thousands of Birds

The Motus Wildlife Tracking System has put nearly 50,000 incredibly lightweight radio transmitters on birds, bats and insects. We caught up with an ornithologist to learn more about where these creatures are flying

Dotty, a female Bengal tiger, roams her territory in India’s Bandhavgarh National Park, where tigers are one of the biggest tourist attractions.

Learning to Live Beside Endangered Tigers May Be the Key to Saving Them

New programs in India are helping to reduce conflict between humans and the big cats by educating communities and helping those who have been affected by animal attacks

An unidentified fly from the order Diptera, which has more than 125,000 species and is one of the largest insect orders

These Stunning Portraits of Insects Reveal the Intricacies of an Amazing World

Photographer Thorben Danke combines hundreds of shots to create breathtaking images of the tiny creatures

Did Hawaiian dancers traditionally wear grass skirts? 

What’s the History of Hawaiian Grass Skirts? And More Questions From Our Readers

You’ve got questions. We’ve got experts

A rusty patched bumblebee, the first bumblebee species to be listed as endangered in the United States, clings to a flower.

Can the Endangered Rusty Patched Bumblebee Survive?

A new genetic study reveals secrets about the creature, which may help researchers make decisions to conserve the species

Namibia's brown hyenas live in small clans but often travel and hunt alone.

Artificial Intelligence Could Soon Match Footprints to the Animals That Made Them

Scientists are working on a machine learning tool that could turn anyone with a camera into an expert tracker

A sunburst anemone (Anthopleura sola) fluoresces under ultraviolet light. Anemones eat prey that gets trapped in their sticky oral disk.

These Mesmerizing Anemones Have a Glowing Layer of Protection

Marine biologists discovered that a protein that boosts fluorescent output also enables an antioxidant property

Each day, elephants roam the dry riverbed in Amboseli National Park in search of water and food. 

Smithsonian Photo Contest Galleries

15 Playful and Powerful Photos to Celebrate World Elephant Day

Never forget your favorite pachyderm with these memorable images from the Smithsonian Magazine Photo Contest

A hazel-eyed tiger glares through a tangled web of branches in Satpura Tiger Reserve.

Feast on 15 Ferocious Tiger Photos From the Smithsonian Photo Contest

This majestic big cat is one of the world’s most recognizable

A jar containing Ascaris, a parasitic worm that affects over one billion people worldwide

Parasites Are Everywhere. Why Do So Few Researchers Study Them?

Aging parasitologists are working hard to inspire more students to enter the field

A rhesus macaque on Cayo Santiago, which is less than a mile east of Puerto Rico. Rhesus macaques spend upwards of 20 percent of their time engaged in cooperative behaviors like grooming.

How Do Animals Change Their Social Habits as They Age?

In patterns that may sound familiar, long-term studies reveal what elderly deer, sheep and macaques are up to in their twilight years

A lesser flamingo feeds at Lake Bogoria, in Kenya.

How Will Climate Change Hurt Lesser Flamingos?

Their food supply in East African lakes could collapse as rains increase

The remains of whales that sink to the ocean floor become biological oases. Since 1977, scientists had only identified about 50 such whale falls across the world’s oceans, but a recent effort uncovered a startling density of them off the coast of Los Angeles.

Why Have So Many Whale Remains Been Found on the Ocean Floor Near Los Angeles?

Scientists have discovered more whale falls there than in the rest of the world combined

Some historians have suggested the giant turtle reported in 1948 was an alligator snapping turtle, pictured here. Other experts disagree with this theory.

Could Citizens of This Indiana Town Have Seen a 500-Pound Turtle?

Two men said they saw such an animal, dubbed the Beast of Busco, in 1948

With their distinct shape, hammerheads are among the most recognizable sharks.

20 Shark Week Photos That Will Terrify and Delight You This Summer

In a collection pulled from the Smithsonian Magazine Photo Contest, catch a wave with these predators of the sea

Asteroid impacts and volcanism have led to mass extinctions on our planet.

Has Life on Earth Survived More Than Five Mass Extinctions?

Scientists aren’t just arguing whether humans are causing a sixth mass extinction event now, but whether many more occurred in the past

Estimated at 5,000 to 7,000 individuals, the koala population is the largest and healthiest in the state of Victoria, and second only in size to that of Kangaroo Island in the whole country.

This Island Is Inhabited by More Koalas Than Humans

Australia’s French Island is home to one of the country’s largest and healthiest koala populations, but it’s not impervious to the species’ struggles

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There's More to That

The Wild Story of What Happened to Pablo Escobar’s Hungry, Hungry Hippos

Ever since the demise of the infamous drug kingpin, his pet hippos have flourished, wreaking havoc on the ecosystem and terrorizing local communities

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