Lines & Matter

Field guides & coloring books

A world worth
looking closer at.

Pick up your pencils. Discover the colors, patterns, and surprising lives behind every page.

Decorative illustrated montage of a scarlet macaw, chameleon, butterfly, tree frog and mandarin fish
Nature has never been afraid of a little color.

Discover remarkable speciesFind your next coloring bookExplore the free field guide

Explore our collections

Field Guides for a More Colorful World

From vibrant frogs to elusive snakes, follow your curiosity into the lives behind the linework.

“Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts.”

— Rachel Carson, The Sense of Wonder
Source: Rachel Carson Landmark Alliance ↗

Art for Awareness

Let a coloring page become a starting point for learning, observation, and care for the living world.

Our approach →