Bird Feathers and Colors

A grid of six colorful hummingbirds.
Quiz: How Well Do You Know Your Western Hummingbirds?
July 10, 2025 — Think you can tell a Calliope from a Costa's? Let's find out.
Long Before Pantone, This Bird-Based System for Describing Color Was a Hit
December 17, 2024 — In the early 20th century, ornithologist Robert Ridgway published a massive dictionary to categorize birds’ hues, from Peacock Blue to Duck Green. His work still resonates for artists and designers today.
Portrait of a mottled brown Rock Ptarmigan looking straight on at the camera.
It’s One of the Biggest Events in a Bird’s Life. Scientists Can’t Agree How to Talk About It.
September 12, 2024 — Every species replaces its feathers by molting, but a passionate debate among ornithologists about what to call the plumage swaps spans oceans and generations.
Woodcocks Don’t Let Migration Mess With Their Sex Lives
April 24, 2024 — A new study finds the first proof that timberdoodles mate as they migrate, an extremely rare behavior known as itinerant breeding.
Close-up portrait of a hawk with bright, all-white feathers with its mouth open and tongue sticking out.
This White Red-tailed Hawk Isn't Just Gorgeous—It's Also a Rare Scientific Opportunity
March 12, 2024 — The stunning raptor was recently trapped in Oklahoma by an awestruck group of researchers, who affixed the bird with a GPS transmitter for further study.
A plump, streaky brown bird with large eyes and long beak stands on a lichen-covered stone looking at the camera.
Drab but Fab: Woodcocks Wear the Whitest Whites in the Avian Wardrobe
April 28, 2023 — Though mostly camouflaged, Eurasian Woodcocks have brilliant patches much whiter than any feathers previously measured, a recent study finds.
Ask Kenn: What’s Up With Bird Color Morphs and Phases?
November 24, 2021 — In some species, many adults wear different color patterns from others. Kenn Kaufman explains the phenomenon, and the lingo to describe it.
Rare Yellow Penguin Bewilders Scientists
March 03, 2021 — After photos of the striking King Penguin went viral in recent weeks, experts have been searching for answers.
These Amazing Images Show How Good Bird Camouflage Can Be
May 20, 2020 — Sometimes it pays to blend in.