Official state symbol Maryland State Bird Adopted 1947

Maryland State Bird: Baltimore Oriole

Icterus galbula

Maryland made the Baltimore Oriole its official state bird in 1947. The bird's name traces to Lord Baltimore, its orange-black plumage mirrors Calvert heraldry, and the Baltimore Orioles MLB franchise carries the same name.

Baltimore Oriole - Maryland State Bird

Baltimore Oriole

Official State Bird of Maryland

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Legal Reference: Chapter 54 of the Acts of 1947
Overview
Maryland's official state bird is the Baltimore Oriole (Icterus galbula), designated by Chapter 54 of the Acts of 1947. The legislature was working with material already in place: the bird carried the Baltimore name from its earliest English description, its orange-and-black plumage echoed the Calvert family's heraldry on the state flag, and no other state had the same combination of naming heritage and visual match available.
Name origin
Named for Lord Baltimore
Adopted
Chapter 54, 1947
Visual match
Calvert flag colors
MLB connection
Orioles name, 1954
Symbolic Meaning
The Baltimore Oriole arrived at the 1947 vote with three things already pointing toward Maryland: the Baltimore name tied to Lord Baltimore and the Calvert dynasty, an orange-and-black plumage echoing Calvert heraldry, and a common name already legible to any American as Maryland-coded.
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Why Maryland Chose the Baltimore Oriole

Most state birds are chosen by legislators looking for something familiar and broadly liked — a species common enough that constituents will recognize it. Maryland's 1947 choice worked differently. The Baltimore Oriole came to the vote with the state's founding name already embedded in its common English label, traced to the Calvert family's Lord Baltimore title that also gave the city its name.

That meant the state didn't need to argue for the bird. The name and the heraldic colors were doing the work before any legislation. Chapter 54 of the Acts of 1947 was recognition of an existing fit, not the construction of one.

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The Baltimore Orioles Baseball Team

The Baltimore Orioles MLB franchise moved to Baltimore in 1954 — seven years after the state bird designation — and took the name already associated with the city's most recognized bird. Both the state symbol and the team name share the same root: the Calvert legacy embedded in the word Baltimore.

That overlap makes the bird unusually visible in Maryland's public life. Most state birds exist primarily in official contexts: school curricula, state symbols lists, park signage. Maryland's state bird also appears on a major-league uniform, which gives the designation a cultural reach that official status alone rarely produces.

Baltimore Oriole Songs and Calls

A quick field-listening break before the next section.

Audio licensed under CC BY-NC-SA 4.0

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How the Oriole's Colors Connect to Maryland

The male Baltimore Oriole has a black head, back, and wings with vivid orange across the breast and flanks — the orange-and-black combination that corresponds to the Calvert side of Maryland's state flag. The flag's design draws from two separate coats of arms; the Calvert quarter specifically uses the orange-and-black pairing the bird reproduces.

Maryland's Black-eyed Susan runs in the same visual register — dark center, gold-orange petals. The two symbols weren't designed together, but they share a color logic that reinforces each other and that reads as distinctly Maryland rather than incidentally similar.

Test your knowledge

A short quiz while the key details are still top of mind.
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Question 1

Can You Match All 50 State Birds?

Seven states share the Cardinal. Five share the Mockingbird. Can you spot the odd one out?

The State Birds Quiz mixes standard image questions with 'odd one out' rounds — showing a shared bird like the Cardinal or Meadowlark and asking which state in the group doesn't actually have it. Plus a few questions about the stories behind the most unusual choices.

Take the State Birds Quiz

Quick Answers

What is Maryland's state bird?
Maryland's state bird is the Baltimore Oriole (Icterus galbula), adopted in 1947 through Chapter 54 of the Acts of 1947.
Why is the Baltimore Oriole Maryland's state bird?
Maryland chose the Baltimore Oriole because the bird already carried the Baltimore name — tied to Lord Baltimore and the Calvert colonial dynasty — and its orange-and-black plumage matched the Calvert heraldry on the state flag. No argument needed to be constructed; the fit was already there before the 1947 legislation.
Is the Baltimore Orioles baseball team named after the state bird?
Both the state bird and the MLB team draw from the same source: the Calvert family's Baltimore legacy. The bird's common name predates the team. The franchise relocated to Baltimore in 1954 and adopted the name of the city's most recognized bird — seven years after the state had already made it an official symbol.
When did Maryland adopt the Baltimore Oriole as its state bird?
Maryland designated the Baltimore Oriole as its official state bird in 1947 through Chapter 54 of the Acts of 1947.

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