Skip to content
birdfact
Baltimore Oriole
New World Blackbirds · Long-distance Migrant

Baltimore Oriole

Northern Oriole · Icterus galbula

Least Concern17–19 cm · 30–40 g

By the Birdfact teamChecked byNathan Cope

The striking orange-and-black songbird found across eastern forests and backyard feeders, with distinctive whistling tunes and acrobatic feeding habits.
On this page12 sections
  1. How to recognise it
  2. Its size
  3. Its song and calls
  4. When and where to see it
  5. What it eats
  6. Nesting and breeding
  7. Behaviour
  8. Conservation
  9. More photos
  10. Baltimore Oriole guides
  11. Quick facts
  12. Sources

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.

When and where to see it

North America

OctoberMostly absent

Last month in 1 place

Most recorded in October

  1. 1. Newfoundland and Labrador0.35%
  2. 2. Florida0.17%
  3. 3. Nova Scotia0.14%
  4. 4. Alabamaunder 0.1%
  5. 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.

or

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

Regularly recordedOccasionalBar height: share of all bird records that month
Show as a table
MonthUnited StatesCanada
January0.032%0.010%
February0.032%0.005%
March0.016%0.002%
April0.14% (regular)0.019%
May1.1% (regular)1.0% (regular)
June0.63% (regular)0.75% (regular)
July0.28% (regular)0.36% (regular)
August0.34% (regular)0.39% (regular)
September0.14% (regular)0.053% (regular)
October0.030%0.015%
November0.020%0.016%
December0.029%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)
South America (3)

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

Baltimore Oriole guides

1 guides

Quick facts

Length
17–19 cm
Wingspan
23–30 cm
Weight
30–40 g
Lifespan
11–12 years · oldest recorded 14 years
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
  1. 1BirdLife International. 2018. Icterus galbula. The IUCN Red List of Threatened Species 2018: e.T22724126A132026652. Source (opens in a new tab)
  2. 2BirdLife International. 2018. Icterus galbula. The IUCN Red List of Threatened Species 2018: e.T22724126A132026652. Source (opens in a new tab)
  3. 3Partners in Flight (2022) Source (opens in a new tab)
  4. 4Historical Longevity Records of North American Birds Source (opens in a new tab)
  5. 5John Terres, The Audubon Society Encyclopedia of North American Birds (1980)
Spotted a mistake?Tell usHow we write and checkBy the Birdfact team · Updated

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.

How we write and checkAbout Nathan