This list includes 14 Big animals that start with K, from “Kangaroo (red)” to “Kudu”. These are large mammals, birds, reptiles and fish with global ranges, useful for education and content creation.
Big animals that start with K are large species whose common names begin with the letter K. The red kangaroo is a famous example and a national symbol of Australia.
Below you’ll find the table with Common name, Scientific name, Primary habitat and Typical lifespan (years).
Common name: The familiar name you will recognize and use when searching or labeling species in lists or educational materials.
Scientific name: The Latin binomial gives precise species identity so you can avoid confusion between similarly named animals.
Primary habitat: Shows the main biome and region where the species lives so you can understand its ecological setting.
Typical lifespan (years): Provides an average wild lifespan estimate to help you compare longevity across species and plan further research.
Big animals that start with K
| Common name | Scientific name | Typical adult size | Primary habitat |
|---|---|---|---|
| Killer whale | Orcinus orca | 6–8 m | marine — worldwide (polar to temperate) |
| Komodo dragon | Varanus komodoensis | 70–90 kg | tropical dry forest — Komodo region, Indonesia |
| King cobra | Ophiophagus hannah | 3.0 m | tropical forest — South & Southeast Asia |
| King penguin | Aptenodytes patagonicus | 11–16 kg | subantarctic islands — Southern Ocean |
| Kodiak bear | Ursus arctos middendorffi | 360–680 kg | temperate rainforest/coastal — Kodiak Archipelago, Alaska |
| Kermode bear | Ursus americanus kermodei | 100–300 kg | temperate rainforest — British Columbia, Canada |
| Kudu | Tragelaphus strepsiceros | 190–270 kg | savanna/woodland — eastern & southern Africa |
| Kob | Kobus kob | 80–120 kg | floodplains/savanna — West & Central Africa |
| Kori bustard | Ardeotis kori | 10–18 kg | dry grassland — Southern Africa |
| Kangaroo (red) | Osphranter rufus | 60–90 kg | arid shrubland/savanna — interior Australia |
| Kiang | Equus kiang | 250–350 kg | montane grassland — Tibetan Plateau & adjacent regions |
| Kouprey | Bos sauveli | 600–900 kg | deciduous forest/grassland — Southeast Asia |
| Kemp’s ridley sea turtle | Lepidochelys kempii | 40–60 kg | coastal waters/estuaries — Gulf of Mexico & NW Atlantic |
| King brown snake | Pseudechis australis | 2–3 m | arid shrubland/woodland — Australia |