
Baltimore Oriole
Northern Oriole · Icterus galbula
By the Birdfact teamChecked by
Nathan Cope
On this page12 sections
How to recognise it
The Baltimore Oriole is a striking songbird with vibrant orange and black plumage. Males display bright orange on their breast, underparts, shoulders and outer tail feathers, contrasting sharply with their black heads, backs, and wings. A single white wing bar adds a distinctive touch to their appearance.
Females show more variation in their appearance, with more subdued coloring that can range from olive-brown to nearly male-like plumage, often becoming more vibrant as they age. Young birds start with paler coloring, with males gradually developing their adult plumage over their first two years.
Its size
Adults- Length
- 17–19 cm
- Wingspan
- 23–30 cm
- Weight
- 30–40 g
Its song and calls
The Baltimore Oriole's song is a series of rich, whistled notes, often described as a flute-like 'hew-li'. Their call is a sharp, chattering 'chatter-chatter' or a more plaintive 'weeek'.
Males sing more frequently and have a wider repertoire of vocalizations compared to females.
- Song0:00 / 0:46
Recorded in Minnesota, United States · May 2014
When and where to see it
OctoberMostly absent
Most recorded in October
- 1. Newfoundland and Labrador0.35%
- 2. Florida0.17%
- 3. Nova Scotia0.14%
- 4. Alabamaunder 0.1%
- 5. South Carolinaunder 0.1%
Each dot is a county, state or province: the bigger and darker, the larger the bird’s share of that place’s bird records that month. Grey dots: no regular records. The ringed point is the centre of the bird’s records this month; the arrow shows how it moved since last month, and the dashed loop its path through the year. “Arrivals” colours places where it becomes regular this month (orange) or is in its last regular month (grey). GBIF eBird Observation Dataset, 2019–2024. Map data: Natural Earth, US Census Bureau; place centres © OpenStreetMap contributors.
In your area
See when the Baltimore Oriole is recorded in your county, state or province.
How often the Baltimore Oriole turns up in the United States and Canada through the year, from birdwatchers' records.
United States
Summer visitor · regularly Apr–Sep · most records in May
Canada
Summer visitor · regularly May–Sep · most records in May
Show as a table
| Month | United States | Canada |
|---|---|---|
| January | 0.032% | 0.010% |
| February | 0.032% | 0.005% |
| March | 0.016% | 0.002% |
| April | 0.14% (regular) | 0.019% |
| May | 1.1% (regular) | 1.0% (regular) |
| June | 0.63% (regular) | 0.75% (regular) |
| July | 0.28% (regular) | 0.36% (regular) |
| August | 0.34% (regular) | 0.39% (regular) |
| September | 0.14% (regular) | 0.053% (regular) |
| October | 0.030% | 0.015% |
| November | 0.020% | 0.016% |
| December | 0.029% | 0.015% |
Worldwide: recorded regularly in 24 countries
Countries where it was recorded in at least 3 of the 6 years 2019–2024. Linked countries have their own bird list.
North America (21)
- Bahamas
- Belize
- Bermuda
- Canada
- Caribbean Netherlands
- Cayman Islands
- Costa Rica
- Cuba
- Curaçao
- Dominican Republic
- El Salvador
- Guatemala
- Honduras
- Jamaica
- Mexico
- Nicaragua
- Panama
- Puerto Rico
- St Pierre & Miquelon
- Turks & Caicos Islands
- United States
South America (3)
- Colombia
- Ecuador
- Venezuela
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made
Tips for seeing it
- Look for Baltimore Orioles in deciduous forests, especially near the edges or in open woodlands.
- Listen for their distinctive flute-like whistling song, especially during spring mornings.
- Set out orange halves or sugar water feeders to attract them to your yard.
- In the US and Canada, watch for them returning from migration in early May.
What it eats
Baltimore Orioles have a diverse diet that includes insects, fruits, and nectar. They are particularly fond of caterpillars, beetles, and grasshoppers. In spring and fall, they supplement their diet with ripe fruits like mulberries and cherries.
Their long, pointed beaks are well-adapted for probing flowers for nectar.
Nesting and breeding
Baltimore Orioles begin their breeding season in late spring, typically May to June. Males perform elaborate courtship displays, including bowing and singing, to attract females.
Females construct distinctive, sock-like hanging nests woven from plant fibers, grasses, and string. These nests are usually placed high in deciduous trees, often near the end of a branch. A typical clutch consists of 3-7 pale blue eggs with dark markings.
Incubation lasts about 12-14 days, primarily done by the female. Both parents feed the nestlings, which fledge after about 12-14 days. Young orioles may remain dependent on their parents for several weeks after leaving the nest.
Behaviour
Baltimore Orioles are known for their acrobatic foraging, often hanging upside down to reach nectar or insects on the outermost branches of trees.
They are generally solitary birds during the breeding season but may form small flocks during migration. These orioles are also known for their bold behavior in defending their territories against intruders.
Conservation
While currently listed as Least Concern, Baltimore Orioles face threats from habitat loss and climate change.
Conservation efforts focus on preserving deciduous forests and promoting bird-friendly urban landscapes. Citizen science projects help monitor population trends and migration patterns.
More photos
10 photos
Female Baltimore Oriole
Juvenile Baltimore Oriole
Newly fledged Baltimore Oriole
Baltimore Oriole nest-building
Baltimore Oriole in-flight
Baltimore Oriole perched in a tree singing
Portrait of a Baltimore Oriole
Baltimore Oriole feeding his young
Baltimore Oriole perched on a branch
Two Baltimore Orioles in conflict
Baltimore Oriole guides
1 guidesQuick facts
- Length
- 17–19 cm
- Wingspan
- 23–30 cm
- Weight
- 30–40 g
- Lifespan
- 11–12 years · oldest recorded 14 years
- Family
- New World Blackbirds
- Migration
- Long-distance Migrant
- Global status (IUCN)
- Least Concern
- World population
- 12,000,000 mature individuals
- Population trend
- Stable
- Also called
- Northern Oriole
- Scientific name
- Icterus galbula
Sources
5- 1BirdLife International. 2018. Icterus galbula. The IUCN Red List of Threatened Species 2018: e.T22724126A132026652. Source (opens in a new tab)
- 2BirdLife International. 2018. Icterus galbula. The IUCN Red List of Threatened Species 2018: e.T22724126A132026652. Source (opens in a new tab)
- 3Partners in Flight (2022) Source (opens in a new tab)
- 4Historical Longevity Records of North American Birds Source (opens in a new tab)
- 5John Terres, The Audubon Society Encyclopedia of North American Birds (1980)
Checked by
Nathan Cope, founder and editor
Nathan founded Birdfact and leads its writers and contributors in the UK, the US and Canada. He has watched and studied birds for more than ten years, and checks every article and species guide before it’s published.


