Yellow-rumped Warblers in Idaho
When yellow-rumped warblers are present in Idaho, when they nest, which native Idaho plants feed them, and how to host them in a USDA 3b–7b yard.
- Status in Idaho
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3b–7b
When to expect yellow-rumped warblers in Idaho
Yellow-rumped Warblers are summer residents in Idaho, arriving shortly before nesting begins in May and leaving after the young are independent. Through the season they feed on caterpillars and flies.
Semi-arid sagebrush plains along the Snake River and forested mountains to the north and center.
Nesting in Idaho
Across Idaho, yellow-rumped warblers typically nest from May–July. Nest site: cup on a horizontal conifer branch. Females lay 1–6 eggs, incubate for 12–13 days, and young leave the nest after 10–14 days.
Hot, dry summers in the Snake River Plain and cool mountain summers.
- Yellow-rumped Warblers don't use nest boxes. Keep dense native shrubs and trees such as smooth sumac, paper birch, chokecherry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Idaho plants that attract yellow-rumped warblers
Of the regional native plants we track for Idaho, these 8 provide food or cover yellow-rumped warblers use:
Red fruit heads hang on through winter.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
White fruit and red winter stems; good thicket cover.
Red fruit persists until late winter when other food is gone.
Sweet dry fruit on the branch all winter.
Berry-like cones feed bluebirds, solitaires and waxwings in winter.
Feeding yellow-rumped warblers through the Idaho year
The warbler most likely at a winter feeder; suet and wax myrtle bring them in.
- Best foods: Suet, Hulled sunflower.
- In Idaho's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for yellow-rumped warblers · Best feeder for yellow-rumped warblers
Frequently asked
Are yellow-rumped warblers in Idaho year-round?
No. Yellow-rumped Warblers are summer breeders in Idaho and leave for the winter.
When do yellow-rumped warblers nest in Idaho?
Nesting in Idaho typically runs May–July, with 1–2 per season. Clutches are 1–6 eggs, incubated for 12–13 days.
What native plants attract yellow-rumped warblers in Idaho?
Smooth sumac, Tall goldenrod, Paper birch, Chokecherry, Red-osier dogwood, Highbush cranberry, Common hackberry, Rocky Mountain juniper are native plants in Idaho that provide food or cover for yellow-rumped warblers.
Yellow-rumped Warblers in other regions
Other backyard birds in Idaho
Sources
- Yellow-rumped Warbler — All About Birds, Cornell Lab of Ornithology
- Yellow-rumped Warbler life history — Cornell Lab of Ornithology
- Yellow-rumped Warbler — Audubon Guide to North American Birds
- eBird region overview and bar charts — Idaho
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.