Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Weird Animals

This year's top ten titles explore the cosmos, fear and cleanliness alongside narratives about owls, fish and eels.

The Ten Best Science Books of 2020

New titles explore the mysterious lives of eels, the science of fear and our connections to the stars

A male wrinkle-faced bat (Centurio senex) seen dangling from his perch. Beneath his chin is a furry skin fold that he pulls up to cover the lower half of the face like a mask during courtship.

New Research

These Bats Mask Up to Woo Mates

Male wrinkle-faced bats use a furry neck flap to cover their faces while serenading the opposite sex in never-before-seen behavior

Monarch butterfly caterpillars will headbutt each other when food is scarce, according to new research.

New Research

Monarch Caterpillars Butt Heads Over Milkweed

A new study finds the colorful butterfly larvae will aggressively lunge at each other in pursuit of an extra mouthful of food

A new report finds platypus numbers are declining in Australia, prompting the authors of the report to call for the species to be listed as endangered.

New Research

Platypuses Lost 22% of Their Habitat Over Last 30 Years

The startling finding comes in a report that documents the iconic Australian animal’s decline and recommends increased legal protections

Echidnas have a four-headed penis, though only two heads are put to use at a time.

Nine of the Weirdest Penises in the Animal Kingdom

A short list of some of nature’s most curious phalluses, from the echidna’s four-headed unit to the dolphin’s prehensile member

A view inside the Asian giant hornet nest that Washington State entomologists destroyed last month.

Asian Giant Hornet Nest May Have Contained 200 Queens

Officials say they’ve counted roughly 500 hornets in various stages of development after examining a nest they found and destroyed last month

Two banded mongoose groups face off.

New Research

Warmongering Female Mongooses Lead Their Groups Into Battle to Mate With the Enemy

New research finds females of this species engineer conflicts with rival groups to gain sexual access to males outside their group and combat inbreeding

A round goby (Neogobius melanostomus) in a plastic pipe in the lab.

New Research

Some Fish Fins Are as Sensitive as a Primate’s Fingertips

Experiments reveal fish fins aren’t just for getting around. They could have implications for underwater robotics

A stunned iguana lying on the ground during a cold snap in Florida on January 22, 2020. When temperatures dropped into the 30s and 40s, some of these cold blooded lizards lost their grip and fell from their nighttime perches up in the trees.

New Research

Lizards Fell From Palm Trees During a Florida Cold Snap, but Now They’ve Toughened Up

New research finds the lizards are now able to withstand temperatures up to 7.2 degrees colder than lizards tested in 2016

Platypuses' nocturnal nature made researchers suspect they might glow under ultraviolet light.

New Research

Platypuses Glow Green Under Ultraviolet Light

The web-footed monotremes join a small cast of fluorescent, nocturnal mammals

A still from the first ever video of a live ram's head squid in the wild.

See Strange Squid Filmed in the Wild for the First Time

The elusive creature is called the ram’s horn squid after a spiral-shaped internal shell that is often found by beachcombers

New research identifies a previously unknown type of nerve cell inside octopus suckers that the cephalopods use like taste buds.

New Research

Octopuses Taste Food With Special Cells in Their Suckers

New study reveals biology behind one of the octopus’ many super powers

A swordfish photographed underwater southwest of Tampa, Florida.

New Research

Shark Stabbed Through the Heart and a Swordfish Is to Blame

Recent research documents the latest instance of a strange but not unheard-of phenomenon in which swordfish impale sharks with their bills

Rattlesnakes can bite after death.

14 Fun Facts About Frightening Animals

From snakes that eat their prey alive to primates that inject their peers with flesh-rotting venom, these are the scariest deeds committed by critters

The ogre-faced spider earns its name from its large eyes and mandibles.

How Ultra-Sensitive Hearing Allows Spiders to Cast a Net on Unsuspecting Prey

Sounds trigger the ogre-faced spider to backflip and shoot a silk trap on other insects

Two-headed snakes struggle more when their heads are joined close together.

In Florida, Pet Cat Brings Home a Rare Two-Headed Snake

The snake is now in the care of Florida Wildlife Conservation’s Fish and Wildlife Research Institute

An entomologist with the Washington State Department of Agriculture vacuums invasive Asian giant hornets out of a nest discovered last week in the city of Blaine on October 24, 2020.

Entomologists Destroy Asian Giant Hornet Nest Found in Washington

The crew sucked nearly 100 hornets from the tree-hollow hive—the first ever found in the U.S.—using a vacuum and captured escapees with nets

The Gollum snakehead is unusual among subterranean critters because it has both eyes and a colorful complexion.

New Research

Subterranean Fish Named ‘Gollum’ Belongs to a New Family

The freshwater fish belongs to a never-before-described taxonomic family, making it one of the biggest finds of the last decade

A diabolical ironclad beetle can withstand the crushing force of 39,000 times its own body weight.

New Research

The Secrets of the Diabolical Ironclad Beetle’s Almost Unsquishable Strength

Researchers hopped in a Toyota Camry and drove over the beetle twice…for science—and it survived

Javan slow lorises are now one of only six mammal species known to use venom against individuals of their own species.

The Cute-but-Deadly Slow Loris Reserves Its Flesh-Rotting Venom for Its Peers

The world’s only venomous primates just got weirder

Page 17 of 43