| Baird's beaked whale Temporal range: Middle Miocene to present,
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| Baird's beaked whale (Berardius bairdii) | |
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| Size compared to an average human | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Infraorder: | Cetacea |
| Family: | Ziphiidae |
| Genus: | Berardius |
| Species: | B. bairdii
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| Binomial name | |
| Berardius bairdii Stejneger, 1883
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| Baird's beaked whale range | |
Baird's beaked whale (Berardius bairdii), also known as the northern giant bottlenose whale, North Pacific bottlenose whale, giant four-toothed whale, northern four-toothed whale and the North Pacific four-toothed whale, is a species of whale from the genus Berardius. Baird's and Arnoux's beaked whales are so similar that researchers have debated whether or not they are simply two populations of the same species. However, genetic evidence and their wide geographical separation has led them to be classified as separate. Baird's beaked whale is the second largest living species of toothed whale after the sperm whale.
- ^ Taylor, B.L. & Brownell Jr., R.L. (2020). "Berardius bairdii". IUCN Red List of Threatened Species. 2020: e.T2763A50351457. doi:10.2305/IUCN.UK.2020-3.RLTS.T2763A50351457.en. Retrieved 4 December 2023.
- ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.