The Magazine of The Sierra Club
Consider the Parasite
Beyond the ick factor, freeloading creatures are essential—and some species are in trouble
Critter
Beware the Blue Angel
These mollusks go with the flow but aren’t easygoing
Built for Winter
Wolverines thrive in the harshest conditions during the bleakest time of year
In this story:
animals
This Salamander Is the Only Vertebrate Tapped Into Photosynthesis
All salamanders have amazing biological powers, but this particular one takes the cake
Burrowing Owls Are Increasingly in Conflict With Humans Over Housing
They're the only North American raptors living underground
The World's Tiniest Insect Fights Off Crop Pests and Inspires More Efficient Computers
The fairy wasp exists on almost every continent, yet almost no one has seen one
In this story:
insects
What Is Lichen?
Here's everything you need to know about one of nature's most symbiotic partnerships
The Magical Mystery Tour of Blue Ghost Fireflies
These incandescent bugs will light up your life
In this story:
insects
Why Squirrels Are Nuts for Acrobatics
Squirrels’ antics take a mixture of morphology, motor skills, and moxie
In this story:
animals
