Mammals > Cetaceans
OverviewThe Amazon River Dolphin (Inia geoffrensis), locally celebrated across South America as the boto or bufeo, represents the largest and most ecologically derived species of obligate freshwater cetacean surviving today. Descended from an archaic lineage of...
Mammals > Cetaceans
OverviewAT A GLANCECommon Name: Fin WhaleScientific Name: Balaenoptera physalusCategory: MammalsSubcategory: CetaceansSize: Total body length: 65–85 ft (20–26 m); Southern Hemisphere individuals larger; Maximum recorded length: 89.6 ft (27.3 m)Weight: 40–80 tonnes...
Mammals > Cetaceans
AT A GLANCECommon Name: Sperm WhaleScientific Name: Physeter macrocephalusCategory: MammalsSubcategory: CetaceansSize: Adult males: 50–62 ft (15–19 m); Adult females: 33–40 ft (10–12 m)Weight: Adult males: 70,000–125,000 lb (32,000–57,000 kg); Adult females:...
Mammals > Cetaceans
OverviewAT A GLANCECommon Name: Bottlenose DolphinScientific Name: Tursiops truncatusCategory: MammalsSubcategory: CetaceansSize: Total body length: 6.6–13.1 ft (2.0–4.0 m); adult males average 10% larger than femalesWeight: 330–1,430 lb (150–650 kg), depending on...
Mammals > Cetaceans
AT A GLANCECommon Name: Sowerby’s Beaked WhaleScientific Name: Mesoplodon bidensCategory: MammalsSubcategory: CetaceansSize: Total length 4.5 to 5.5 m (15 to 18 ft)Weight: 1,000 to 1,300 kg (2,200 to 2,900 lb)Lifespan: 30 to 45 yearsDiet: Teuthophagous (deep-sea...
Mammals > Cetaceans
AT A GLANCECommon Name: Beluga WhaleScientific Name: Delphinapterus leucasCategory: MammalsSubcategory: CetaceansSize: Length: 3.5–5.5 m (11.5–18.0 ft); males larger than femalesWeight: 1,100–1,600 kg (2,400–3,500 lb) for adult males; 700–1,200 kg (1,500–2,600 lb) for...
Mammals > Cetaceans
AT A GLANCECommon Name: Humpback WhaleScientific Name: Megaptera novaeangliaeCategory: MammalsSubcategory: CetaceansSize: Total body length: 46–56 ft (14–17 m); Pectoral flipper length: up to 16 ft (5 m)Weight: 28–44 tons (25,000–40,000 kg); exceptional females can...
Mammals > Cetaceans
AT A GLANCECommon Name: Blue WhaleScientific Name: Balaenoptera musculusCategory: MammalsSubcategory: CetaceansSize: Length: 80–105 ft (24–32 m); can exceed 108 ft (33 m)Weight: 200,000–380,000 lb (90,000–170,000 kg; up to 190 metric tons)Lifespan: 80–90 years in the...
