Migration timing

When do ruby-crowned kinglets arrive in Montana?

The Ruby-crowned Kinglet is a summer breeder in Montana — here is when to expect it, when it leaves, and how to be ready.

Ruby-crowned Kinglet, verified photograph
Photo: Wikimedia Commons

Ruby-crowned Kinglet timing in Montana

Arrives
Around May
Leaves
By August
Status here
Summer breeder
Nesting season
June–July
Present roughly
May–August

In Montana, ruby-crowned kinglets are present through the warm months, arriving around May and heading south again by August.

These windows are set by latitude: Montana sits in the middle part of this species' range, so timing here runs later than the continental average — the season starts later this far north and the birds wait for it. In any given year, weather can move the first arrivals by a week or two either way.

Month by month in this state

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Highlighted months are when ruby-crowned kinglets are expected in Montana. The edges of the window are the interesting weeks — first arrivals and last departures vary most from year to year.

Getting ready before they arrive

The week before May is the time to act. Have feeders cleaned, filled and out by early May — the first ruby-crowned kinglets into Montana are scouting for reliable food, and a station that's ready early gets added to their route.

Once nesting begins around June, adults switch to protein-rich food for their young and visits to feeders become quick and purposeful. Expect the busiest activity at dawn.

What ruby-crowned kinglets eat while they're here

  • Aphids, gnats, spiders and insect eggs

Winters in the south and visits suet feeders, hover-gleaning at branch tips between visits.

Full Ruby-crowned Kinglet diet guide → · Best feeder for ruby-crowned kinglets →

Native plants that hold ruby-crowned kinglets in Montana

Food keeps a migrant for a day; habitat keeps it for the season. These Montana-native plants are known to attract ruby-crowned kinglets:

Bur oak
Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

Tall goldenrod
Solidago altissima · Perennial

Insect-rich in fall and seed in winter.

Paper birch
Betula papyrifera · Tree

Catkin seed feeds redpolls and siskins all winter.

Chokecherry
Prunus virginiana · Shrub

Dark summer fruit and heavy caterpillar load.

Common hackberry
Celtis occidentalis · Tree

Sweet dry fruit on the branch all winter.

Rocky Mountain juniper
Juniperus scopulorum · Tree

Berry-like cones feed bluebirds, solitaires and waxwings in winter.

Ponderosa pine
Pinus ponderosa · Tree

Seeds and bark insects; pygmy nuthatch and woodpecker habitat.

Rabbitbrush
Ericameria nauseosa · Shrub

Late-season bloom supports insects; seed for sparrows.

Keep exploring

Frequently asked

When do ruby-crowned kinglets arrive in Montana?

ruby-crowned kinglets typically arrive in Montana around May, with nesting underway by June. Timing can shift a week or two with the weather in any given year.

When do ruby-crowned kinglets leave Montana?

Most ruby-crowned kinglets have left Montana by August. They spend the winter farther south and return the following spring.

Do ruby-crowned kinglets stay in Montana all year?

No — in Montana the Ruby-crowned Kinglet is a summer breeder, present roughly May–August. Outside that window it is rarely seen in the state.

What should I put out before ruby-crowned kinglets arrive in Montana?

Have feeders up and clean by early May — first arrivals scout reliable food sources. Good offerings for this species: aphids, gnats, spiders and insect eggs.

Sources

  1. Ruby-crowned Kinglet — All About Birds, Cornell Lab of Ornithology
  2. Ruby-crowned Kinglet life history — Cornell Lab of Ornithology
  3. Ruby-crowned Kinglet — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Montana
  5. USDA Plant Hardiness Zone Map (2023)
  6. 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.