: a bird (such as a gull or an albatross) frequenting the open ocean
Examples of seabird in a Sentence
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With 100,000 seabirds in residence during nesting season, Lady Elliot is one of the reef’s most important breeding sites.
—
Susan Casey, Travel + Leisure, 10 Jan. 2026
Experts fear that dense winter-feeding grounds — where whales, seabirds, and humans converge in close quarters — could become hot zones for a major outbreak.
—Mrigakshi Dixit, Interesting Engineering, 18 Dec. 2025
Researchers estimate that the spill also killed between 600,000 and 800,000 seabirds, as many as 167,000 sea turtles and over a thousand marine mammals like dolphins and whales.
—Kylie Williams, Miami Herald, 29 Nov. 2025
Plastic contributes to the deaths of up to 1 million seabirds each year, along with hundreds of thousands of marine mammals and turtles.
—Kara Fox, CNN Money, 29 Nov. 2025
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Susan Casey, Travel + Leisure, 10 Jan. 2026
Experts fear that dense winter-feeding grounds — where whales, seabirds, and humans converge in close quarters — could become hot zones for a major outbreak.
—Mrigakshi Dixit, Interesting Engineering, 18 Dec. 2025
Researchers estimate that the spill also killed between 600,000 and 800,000 seabirds, as many as 167,000 sea turtles and over a thousand marine mammals like dolphins and whales.
—Kylie Williams, Miami Herald, 29 Nov. 2025
Plastic contributes to the deaths of up to 1 million seabirds each year, along with hundreds of thousands of marine mammals and turtles.
—Kara Fox, CNN Money, 29 Nov. 2025
See All Example Sentences for seabird
Cite this Entry
“Seabird.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seabird. Accessed 17 Jan. 2026.
Copy CitationKids Definition
seabird
noun
sea·bird
ˈsē-ˌbərd 
: a bird (as a gull or an albatross) that lives on or near the open ocean
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