Nile crocodile
(Crocodylus niloticus)[] | |
|---|---|
| Species ID: | 4-16-136-1105-7567 |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Crocodilia |
| Family: | Crocodylidae |
| Genus: | Crocodylus |
| Conservation status: | LC - Least Concern (2017) |
| Global population: | 50,000 - 70,000 (2017) |
| Population trend: | Stable |
| Links: | ADW / IUCN Red List / Wikipedia |
Physical Description[]
| Avg. length: | Males: 3.3 - 5 m
Females: 2.2 - 3.8 m |
|---|---|
| Avg. mass: | Males: 150 - 700 kg
Females: 40 - 250 kg |
| Colors: | Dark bronze, Yellowish-green, Black (markings) |
Lifespan[]
| Avg. lifespan in wild: | 45 - 85 years |
|---|---|
| Avg. lifespan in captivity: | 50 - 60 years |
Reproduction[]
| Mating system: | Monogamous |
|---|---|
| Breeding season: | August - February |
| Mode of reproduction: | Oviparous |
| Incubation period: | 80 - 90 days |
| Avg. clutch size: | 25 - 80 eggs |
| Parental care: | Female |
| Breeding interval: | 1 year |
| Maturity: | 12 - 16 years |
Behavior & Ecology[]
| Activity: | Crepuscular, Nocturnal |
|---|---|
| Sociality: | Solitary-but-social |
| Movement: | Sedentary |
| Avg. territory size: | 50 - 60 m² |
| Systems: | Freshwater, Terrestrial, Marine |
| Diet: | Fish, Frogs, Turtles, Snakes, Small to large-sized birds, Small to large-sized mammals, Fruits, Carrion |
| Predators: | Humans (all stages) / Monitor lizards, Mongooses, Hyenas (eggs) |
Habitats[]
Major[]
- 5.1 Permanent rivers
- 5.5 Permanent lakes
- 5.13 Inland deltas
- 12.7 Submerged mangroves
- 13.4 Coastal saline lakes
Suitable[]
- 9.10 Estuaries
- 12.2 Sandy shorelines
Marginal[]
- 5.2 Seasonal rivers
- 5.18 Subterranean pools
- 15.1 Water storage areas
- 15.2 Ponds
Distribution[]
Ecoregion range
Ecozones[]
Terrestrial Ecoregions[]
- AT0101 Albertine Rift montane forests
- AT0102 Atlantic Equatorial coastal forests
- AT0109 Eastern Arc forests
- AT0110 Eastern Congolian swamp forests
- AT0116 KwaZulu-Cape coastal forest mosaic
- AT0117 Madagascar lowland forests
- AT0118 Madagascar subhumid forests
- AT0119 Maputaland coastal forest mosaic
- AT0124 Northeastern Congolian lowland forests
- AT0125 Northern Zanzibar-Inhambane coastal forest mosaic
- AT0128 Southern Zanzibar-Inhambane coastal forest mosaic
- AT0129 Western Congolian swamp forests
- AT0202 Madagascar dry deciduous forests
- AT0203 Zambezian Cryptosepalum dry forests
- AT0701 Angolan Miombo woodlands
- AT0702 Angolan Mopane woodlands
- AT0704 Central Zambezian Miombo woodlands
- AT0705 East Sudanian savanna
- AT0706 Eastern Miombo woodlands
- AT0708 Itigi-Sumbu thicket
- AT0711 Northern Acacia-Commiphora bushlands and thickets
- AT0712 Northern Congolian forest-savanna mosaic
- AT0713 Sahelian Acacia savanna
- AT0714 Serengeti volcanic grasslands
- AT0715 Somali Acacia-Commiphora bushlands and thickets
- AT0716 Southern Acacia-Commiphora bushlands and thickets
- AT0717 Southern Africa bushveld
- AT0718 Southern Congolian forest-savanna mosaic
- AT0719 Southern Miombo woodlands
- AT0721 Victoria Basin forest-savanna mosaic
- AT0723 Western Congolian forest-savanna mosaic
- AT0724 Western Zambezian grasslands
- AT0725 Zambezian and Mopane woodlands
- AT0726 Zambezian Baikiaea woodlands
- AT0905 Saharan flooded grasslands
- AT0906 Zambezian coastal flooded savanna
- AT0907 Zambezian flooded grasslands
- AT1001 Angolan montane forest-grassland mosaic
- AT1002 Angolan Scarp savanna and woodlands
- AT1004 Drakensberg montane grasslands, woodlands and forests
- AT1006 Eastern Zimbabwe montane forest-grassland mosaic
- AT1009 Highveld grasslands
- AT1014 South Malawi montane forest-grassland mosaic
- AT1201 Albany thickets
- AT1310 Kaokoveld desert
- AT1311 Madagascar spiny thickets
- AT1312 Madagascar succulent woodlands
- AT1314 Nama Karoo
- AT1316 Namibian savanna woodlands
- AT1401 Central African mangroves
- AT1402 East African mangroves
- AT1404 Madagascar mangroves
- AT1405 Southern Africa mangroves
- PA0904 Nile Delta flooded savanna
- PA1327 Sahara desert
- PA1329 South Saharan steppe and woodlands