Start with a tool
Every tool gives you a personalized answer in seconds, then links to the full guide if you want the deep dive.
Hummingbird Nectar Calculator
Your feeder size → the exact 4:1 sugar-water recipe in cups, tablespoons and grams.
Use tool → 🍂When to Take Down Feeders
Fall takedown dates for all 50 states — don't pull yours too early.
Use tool → 🏠Birdhouse Dimensions
Exact hole size, floor and height for bluebirds, wrens, chickadees and more.
Use tool → 🌻Bird Seed Calculator
How much seed your feeders really need per month — and what it costs.
Use tool → 🔍Bird Identifier Wizard
Color, size, habitat, state — identify your mystery backyard bird.
Use tool → 🗓️Migration Calendar
When hummingbirds arrive and leave in your state, spring and fall.
Use tool →Learn America's backyard birds
Profiles, feeding guides and identification help for the birds at your feeder — from House Finches to hummingbirds.
All Bird Guides
Browse every article, species profile and how-to on Birdiy.
Read → 🐦House Finch Profile
The cheerful red-headed regular at seed feeders across America.
Read → 🗺️Hummingbird Migration Map
Track the seasonal wave of hummingbirds moving across the United States.
Read → 🏠Nest Box Designs by Species
The birdhouse dimensions each backyard species actually wants.
Read → 🌰What Birds Eat (and Avoid)
A complete feeding and nutrition guide for American backyard birds.
Read → 🖼️Hummingbird Wallpapers
Free full-HD hummingbird wallpapers for your phone.
Download →Why Birdiy?
Most birding answers online are buried in long articles and static charts. Birdiy builds interactive tools that answer your question — for your feeder, your species, your state — in seconds. USA-focused, beginner-friendly, and always free.