The Nile monitor is a large African lizard up to two and a half meters long. It swims excellently, lives near water, and hunts a variety of animals.
The Nile monitor differs from other monitors by its affinity for water and large size. It regulates the population of fish, birds, and rodents in African water bodies.
meadows, prairies, forb glades on land
Worker
Tail size
birth time
ambush
Hot and almost no precipitation
Heavy rains in summer
pursuit
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
m
Map
will celebrate their {n} birthday
g
t
When your next jubilee falls in {name} life years
Human
hot Africa south of the desert, many savannas and forests
very hot and very humid all year round, rain almost every day
days
Warm summer
How old you would be if you lived as {name}
Theoretical maximum lifespan estimated from the Dynamic Energy Budget (DEB) mathematical model. This value reflects a biological potential derived from metabolic parameters, not from direct observation — real recorded lifespans are often significantly shorter.
very heavy rains in summer, almost no precipitation in winter
adult
Maturity
Nightstand
insects
About health
vertebrates
When your next birthday would fall if you lived as {name}
carrion
Repro interval
egg
results
summer warm, winter not very cold
Colors
Sex
Upcoming jubilees
scavenging, eat already dead animals
Gremllins
mo
hot, rains in summer, little precipitation in winter
live fish
Uses an excavated underground tunnel or chamber for refuge or nesting.
rains are very rare, almost a desert
little precipitation in winter, more in summer
Trophic type
Filters
summer very hot, dry, lots of grass
diurnal
Upcoming birthdays
standing fresh waters — lakes, ponds, oxbow lakes
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
tongue
Age (juvenile)
Age (from birth to death)
Hot, little precipitation in winter
Age (embryo)
Wanderers
Jubilee = every 10th birthday
Earliest developmental stage inside an egg or womb.
Business sausages
reptiles
Lifespan average
Rapidly swallows prey or food items whole without chewing.
Regeneration
beasts
What do they look like?
Maturity
scavenging
emergence (insects)
end of lifespan
birds
crepuscular
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
dead vertebrates
fish
end of acceleration
Share
swampy freshwater biotopes — peat bogs, marshes, river mangroves
Find a pet...
Mature, fully developed individual capable of reproduction.
hot, uneven rains, lots of grass and trees
gulping
Actively hunting and capturing live prey.
Pets
Primary oral structure used to seize, manipulate, or ingest food.
tongue
Hot steppe
Feeding occurs primarily on land or in vegetation.
whole swallow
{name} jubilee
Claws count
cm
Old-timers
Find an animal or breed...
mouth
turns
Rascals
terrestrial forest
terrestrial grassland and steppe
terrestrial herbaceous
olfaction
fruit
hot Africa south of the desert, many savannas and forests
Forages on tree limbs or woody stems within vegetation.
Litter size
Tropical savanna
Map data sources: Ecosystem classification — IUCN Global Ecosystem Typology (Keith et al., 2022), indicative distribution maps Keith et al. (2020), https://doi.org/10.5281/zenodo.3546513; Large Marine Ecosystems — NOAA LME Program; Bathymetry — GEBCO Bathymetric Compilation Group (2026), GEBCO_2026 Grid, https://doi.org/10.5285/4f68d5c7-45eb-f999-e063-7086abc036fa; Climate data — Generated using Copernicus Climate Change Service information; Species occurrence data — GBIF.org, Derived dataset "all animals", https://zveriki.com/dataset/dataset.tsv; Terrestrial ecoregions — RESOLVE Ecoregions 2017 (Dinerstein et al., 2017), CC BY 4.0
How to care for them?
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
°C
Not specified
Actively searching habitats to locate food items.
Where are they found?
all rivers and lakes
Low precipitation in winter
Locomotion through water employed while searching for or capturing prey.
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Offspring
Elders
Bro
lakes and ponds
freshwater marsh and wetlands
Taxons
carnivore
if born as {name}
Foraging takes place among trees and woody vegetation.
Actively chases and captures mobile prey in open space.
age
Predator remains still and concealed before launching a sudden attack.
birth date
Head size
small mammals — mice, shrews, bats
swimming
tearing
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
climbing
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
primary food sources
teeth
burrow
Potential Habitat
lots of grass, few trees, rains are rare
Very hot summer
d
In husbandry
On the go from 1.3 to 3.5 years. Forest mice, anoles, rainbow fish party on their birthday once a month
Feeding occurs in water bodies such as rivers, lakes, or oceans.
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
terrestrial
Gestation
live reptiles, lizards, snakes, turtles
Rips or shreds food using teeth, beak or claws.
aquatic
small mammals
vision
summer very hot, above +25…+30 °C
{name} birthday
Always hot
No results found
live birds
On the map
lunge
all life stages
Female ♀
Body color
world of Afrotropics
Map data sources: Ecosystem classification — IUCN Global Ecosystem Typology (Keith et al., 2022), indicative distribution maps Keith et al. (2020), https://doi.org/10.5281/zenodo.3546513; Large Marine Ecosystems — NOAA LME Program; Bathymetry — GEBCO Bathymetric Compilation Group (2026), GEBCO_2026 Grid, https://doi.org/10.5285/4f68d5c7-45eb-f999-e063-7086abc036fa; Climate data — Generated using Copernicus Climate Change Service information; Species occurrence data — GBIF.org, Derived dataset "all animals", https://zveriki.com/dataset/dataset.tsv; Terrestrial ecoregions — RESOLVE Ecoregions 2017 (Dinerstein et al., 2017), CC BY 4.0
Potential habitat modelled from GBIF occurrence data. Map © Zveriki.com, licensed under CC BY 4.0.
birth year
Maturity
bird eggs
terrestrial habitat, land surface outside water
sq mm
yr
How similar?
Male ♂
until the celebration
age as {name}
How do they breed?
On the go from 3.5 to 6 years. Hedgehogs, crows, lizards treat themselves to birthday snacks 6 times a year
What if eaten?
live mammals, mice, hares, deer and others
Very dry
Neither
Moving up vertical surfaces like trunks or rocks to reach food.
from birth to adulthood
What do they eat?
Where do they live?
Immature individual that has not yet reached reproductive maturity.
from birth to death
Hard dental structures used to bite, tear, or scrape food.
forests on land — tropical, temperate, boreal
world of Afrotropics
branch
Freshwater
6 to 47 kilograms, 0.9 – 2.5 meters
Duration
live insects
Always hot and wet
This is me
claws
Steppe
freshwater
Gamers
How are they built?
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
terrestrial
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
active predation
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
Where do they take shelter?
Warm summer and lots of rain
celebrated their {n} birthday
open grassy spaces — steppes, savannas, prairies
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
Daddies
Lifespan maximum
very hot and almost no precipitation
foraging
whole life
Hermaphrodite ⚥
Uses the tongue to locate, manipulate, or ingest food items.
Primarily detects and locates food using eyesight.
embryo
eggs
Length
kg
lots of rain, warm and pleasant summer
Rapid forward strike to seize prey.
arboreal
Observations
◉{N} more on tap