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The Top 5 Heaviest Marine Mammals on Earth
| Mammal | Length | Weight | Red List Status | Population | |
|---|---|---|---|---|---|
| 1 | Blue Whale (Balaenoptera musculus) | 33.5 m / 110.0 ft | 137,000 kg / 302,033 lbs | Endangered (a) | 2,300 |
| 2 | Bowhead whale (Balaena mysticetus) | 20.0 m / 65.0 ft | 86,000 kg / 189,597 lbs | Lower Risk (cd) | 10,500 |
| 3 | Northern right whale (Eubalaena glacialis) | 18.0 m / 60.0 ft | 77,700 kg / 169,755 lbs | Endangered (D) | 300 (Atlantic) |
| 4 | Fin whale (Balaenoptera physalus) | 25.0 m / 82.0 ft | 63,400 kg / 139,773 lbs | Endangered (A1abd) | No reliable estimates |
| 5 | Sperm whale (Physeter macrocephalus) | 18.0 m 7 59.0 ft | 43,700 kg / 96,342 lbs | Vulnerable (A1bd) | No reliable estimates |
Tags:
Animals & Nature, Threatened & Endangered Species, Top 5 Heaviest
Sources: Various including IUCN 2004 Red List, National Marine Fisheries Service, IWC.
List Notes:
Sources: Various including IUCN 2004 Red List, National Marine Fisheries Service, IWC.
List Notes:
