
North American birding · places · fieldcraft
THE WILD
THRESHOLD
Where the wild begins.
Enter the fieldMadera Canyon · Alan Schmierer / CC0
Explore North America
Where will
you go?
Start with terrain, season, and the birds you hope to meet. Arizona is our deepest field library; California, Colorado and Alaska extend the journey across coast, mountains, boreal forest and tundra.

Alan Schmierer · CC0 / Wikimedia Commons
Featured expedition · Arizona
One morning.
Five life zones.
Begin in desert grassland. Follow sycamore shade into oak woodland. Listen above the creek. Madera Canyon is the threshold where Arizona’s field library becomes real.
Open the field guide →What are you looking for?
Take the useful path.
The field map
Four active edges of a continent.
Each point opens a real field library. Arizona is deepest now; California and Colorado follow habitat and elevation; Alaska connects tundra, boreal forest and the northern coast.

Bettina Arrigoni · CC BY 2.0 · cropped and resized
Featured bird · Trogon ambiguus
Coppery-tailed
Trogon
The Arizona bird long known as Elegant Trogon received a more precise name in 2025.
- Listen
- Repeated resonant call
- Look
- Shaded sycamore-oak canyon
- Season
- Mostly April–November
From the field
Three ways deeper.
The five seasons of Arizona birding
A migration calendar made for desert, mountains and monsoon.
↗Photography / 9 minBuild a flight line before a camera setting
Wind, background and repetition create the photograph.
↗Taxonomy / 7 minAfter Elegant: a trogon gets its Arizona name
How the 2025 split changes field guides without changing the bird.
↗Your first field day