or·​ni·​thol·​o·​gy | \ ˌȯr-nə-ˈthä-lə-jē How to pronounce ornithology (audio) \
plural ornithologies

Definition of ornithology

1 : a branch of zoology dealing with birds
2 : a treatise on ornithology

Keep scrolling for more

Other Words from ornithology

ornithological \ ˌȯr-​nə-​thə-​ˈlä-​ji-​kəl How to pronounce ornithology (audio) \ or less commonly ornithologic \ ˌȯr-​nə-​thə-​ˈlä-​jik How to pronounce ornithology (audio) \ adjective
ornithologically \ ˌȯr-​nə-​thə-​ˈlä-​ji-​k(ə-​)lē How to pronounce ornithology (audio) \ adverb
ornithologist \ ˌȯr-​nə-​ˈthä-​lə-​jist How to pronounce ornithology (audio) \ noun

Examples of ornithology in a Sentence

Recent Examples on the Web These chapters easily could be read and enjoyed by anyone with a serious interest in ornithology, regardless of location. Jim Williams, Star Tribune, "Similarities: Maine and Minnesota birds," 29 Oct. 2020 Chroman teaches a variety of classes at Santa Ana College and the California Naturalist Program through the UC Agricultural and Natural Resources department and specializes in conservation biology, mammalogy, ornithology and ecology. Jeanette Marantos, Los Angeles Times, "The SoCal Garden Calendar: Lots of virtual plant events and one up-close in person," 28 Oct. 2020 Prince Philip, a lifelong ornithology enthusiast, has been patron of BTO for more than 30 years. Maria Puente, USA TODAY, "Prince William champions wildlife as he takes over conservation patronages from royal grandparents," 19 Oct. 2020 Lauren Pharr, a North Carolina State ornithology graduate student, was one of them. Kristi Odom, National Geographic, "Americans are observing nature during the pandemic, helping scientists with research," 8 Sep. 2020 The book was written by Wenfei Tong, research associate at Harvard and a faculty member at the University of Alaska, and Mike Webster, professor of ornithology at Cornell University. Jim Williams, Star Tribune, ""Bird Love" a new book," 27 Aug. 2020 Students can learn about physics, ornithology, conservation, and history at Dollywood this summer during 2020’s Homeschool Days. Elizabeth Rhodes, Travel + Leisure, "Dollywood's Annual Homeschool Days Let Students Learn in the Theme Park," 18 Aug. 2020 Like the late naturalist Roger Tory Peterson, whose field guides defined American ornithology for generations, Sibley has an exacting eye for detail. Danny Heitman, The Christian Science Monitor, "What are birds doing? David Allen Sibley knows.," 20 May 2020 Allison Shultz, assistant curator of ornithology at the Natural History Museum of Los Angeles County, has advice. Carly Mallenbaum, USA TODAY, "Bird-watching in quarantine: How I turned my lonely feeder into a bird hotspot," 14 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ornithology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of ornithology

1654, in the meaning defined at sense 1

History and Etymology for ornithology

New Latin ornithologia, from ornith- + -logia -logy

Keep scrolling for more

Learn More about ornithology

Time Traveler for ornithology

Time Traveler

The first known use of ornithology was in 1654

See more words from the same year

Statistics for ornithology

Cite this Entry

“Ornithology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ornithology. Accessed 5 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for ornithology



English Language Learners Definition of ornithology

: a branch of science that deals with the study of birds

More from Merriam-Webster on ornithology

Nglish: Translation of ornithology for Spanish Speakers

Britannica.com: Encyclopedia article about ornithology

Comments on ornithology

What made you want to look up ornithology? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Who Knew?

Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!