Kinglets (Regulidae)
Ruby-crowned Kinglet
Corthylio calendula. Tiny insects and eggs; suet and fruit in winter.
Kinglets (Regulidae)Ruby-crowned KingletCorthylio calendula
- Scientific name
- Corthylio calendula
- Length
- 3.5–4.3 in
- Weight
- 0.2–0.3 oz
- Nest
- Hanging cup high in a spruce or fir
- Entrance hole
- Does not use nest boxes
- Clutch
- 4–14 eggs
- Incubation
- 12–14 days
- Broods
- 1 per season
Identification
- Tiny, hyperactive olive bird
- Broken white eye-ring
- Male's scarlet crown patch usually hidden
Voice
Surprisingly loud, rollicking song; a scolding 'ji-dit' call.
Diet and feeding
Tiny insects and eggs; suet and fruit in winter.
What do ruby-crowned kinglets eat? · Best feeder for ruby-crowned kinglets
Ruby-crowned Kinglets by state and province
| Region | Status | Nesting |
|---|---|---|
| Alabama | Winter visitor | — |
| Alaska | Summer breeder | June–July |
| Alberta | Summer breeder | June–July |
| Arizona | Winter visitor | — |
| Arkansas | Winter visitor | — |
| British Columbia | Summer breeder | June–July |
| California | Summer breeder | April–July |
| Colorado | Summer breeder | May–July |
| Delaware | Winter visitor | — |
| Florida | Winter visitor | — |
| Georgia | Winter visitor | — |
| Idaho | Summer breeder | May–July |
| Kentucky | Winter visitor | — |
| Louisiana | Winter visitor | — |
| Manitoba | Summer breeder | June–July |
| Maryland | Winter visitor | — |
| Mississippi | Winter visitor | — |
| Montana | Summer breeder | June–July |
| Nevada | Summer breeder | May–July |
| New Brunswick | Summer breeder | June–July |
| New Mexico | Winter visitor | — |
| Newfoundland and Labrador | Summer breeder | June–July |
| North Carolina | Winter visitor | — |
| Northwest Territories | Summer breeder | June–July |
| Nova Scotia | Summer breeder | June–July |
| Nunavut | Summer breeder | June–July |
| Ontario | Summer breeder | June–July |
| Oregon | Summer breeder | May–July |
| Prince Edward Island | Summer breeder | June–July |
| Quebec | Summer breeder | June–July |
| Saskatchewan | Summer breeder | June–July |
| South Carolina | Winter visitor | — |
| Tennessee | Winter visitor | — |
| Texas | Winter visitor | — |
| Utah | Summer breeder | May–July |
| Virginia | Winter visitor | — |
| Washington | Summer breeder | May–July |
| West Virginia | Winter visitor | — |
| Wyoming | Summer breeder | June–July |
| Yukon | Summer breeder | June–July |
Frequently asked
What do ruby-crowned kinglets eat?
Tiny insects and eggs; suet and fruit in winter. At feeders: suet, suet nuggets, mealworms.
How big is a Ruby-crowned Kinglet?
3.5–4.3 in long and 0.2–0.3 oz.
Do ruby-crowned kinglets use birdhouses?
No. Hanging cup high in a spruce or fir.
Sources
- Ruby-crowned Kinglet — All About Birds, Cornell Lab of Ornithology
- Ruby-crowned Kinglet life history — Cornell Lab of Ornithology
- Ruby-crowned Kinglet — Audubon Guide to North American Birds
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.