This list includes 11 Big animals that start with F, ranging from “Falkland fur seal” to “Freshwater crocodile”. They are large vertebrates—mammals, reptiles, and fish—selected for notable adult size and ecological importance. Use this list for teaching, quick reference, species comparisons, or SEO-friendly content ideas.
Big animals that start with F are large species whose adults reach notable mass or length. For example, the Falkland fur seal recovered markedly after 19th-century sealing, becoming a conservation success story.
Below you’ll find the table with Common name, Scientific name, Primary habitat, and Typical wild lifespan.
Common name: The familiar English name helps you quickly identify species and use this list in conversations or content.
Scientific name: The Latin binomial lets you confirm exact species and link to authoritative information or databases.
Primary habitat: Describes main biome and region so you can match species to ecosystems or plan field study focus.
Typical wild lifespan: Gives average adult lifespan in years so you can compare longevity across species and life histories.
Big animals that start with F
| Name | Scientific name | Average adult size | Primary habitat |
|---|---|---|---|
| Fin whale | Balaenoptera physalus | Length 18 m (59 ft); mass 40,000 kg (88,185 lb) | Open ocean — Worldwide |
| False killer whale | Pseudorca crassidens | Length 4.5 m (14.8 ft); mass 1,000 kg (2,205 lb) | Open ocean — Tropical/subtropical |
| Fraser’s dolphin | Lagenodelphis hosei | Length 2.2 m (7.2 ft); mass 120 kg (265 lb) | Open ocean — Tropical Indo-Pacific |
| Forest elephant | Loxodonta cyclotis | Mass 3,000 kg (6,614 lb); shoulder height 2.5 m (8.2 ft) | Tropical rainforest — Central/West Africa |
| Fallow deer | Dama dama | Mass 80 kg (176 lb); length 2.1 m (6.9 ft) | Woodland/parkland — Europe, introduced worldwide |
| Flatback sea turtle | Natator depressus | Length 1.0 m (3.3 ft); mass 90 kg (198 lb) | Coastal shelves — Northern Australia |
| False gharial | Tomistoma schlegelii | Length 3.5 m (11.5 ft); mass 250 kg (551 lb) | Freshwater rivers — Southeast Asia |
| Freshwater crocodile | Crocodylus johnsoni | Length 2.5 m (8.2 ft); mass 100 kg (221 lb) | Rivers/creeks — Northern Australia |
| Falkland fur seal | Arctocephalus australis | Mass 120 kg (265 lb); length 1.8 m (5.9 ft) | Coastal islands — South Atlantic (Falklands) |
| Flapper skate | Dipturus intermedius | Disc width 2.5 m (8.2 ft); mass 70 kg (154 lb) | Continental shelf — Northeast Atlantic |
| Finless porpoise | Neophocaena phocaenoides | Length 2.0 m (6.6 ft); mass 60 kg (132 lb) | Coastal estuaries — Indo-Pacific |