Immature form that undergoes metamorphosis before adulthood.
Volume
Worker
birth time
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
Litters lifetime count
days
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.
adult
Maturity
South and Central America, hot and humid, huge forests
24 to 38 grams, 10 – 25 centimeters
About health
anything
When your next birthday would fall if you lived as {name}
results
temperature for housing
Sex
Upcoming jubilees
Gremllins
mo
lettuce leaves
Filters
always hot and humid, huge trees and vines
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
Age (juvenile)
Age (from birth to death)
Age (embryo)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
Jubilee = every 10th birthday
Minimum space
pelleted feed
Earliest developmental stage inside an egg or womb.
Business sausages
chlorine
Lifespan average
detritus
What do they look like?
Maturity
emergence (insects)
end of lifespan
carrot
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
end of acceleration
Share
swampy freshwater biotopes — peat bogs, marshes, river mangroves
spinach
Carbohydrates
Find a pet...
Mature, fully developed individual capable of reproduction.
hot, uneven rains, lots of grass and trees
copper excess
where the river flows into the sea, slightly salty water, lots of fish and birds
dry bread
Pets
tobacco smoke and nicotine
age diag byShell
{name} jubilee
cm
Old-timers
Find an animal or breed...
turns
Rascals
milk dairy
Flooded grasslands
Fat
hot Africa south of the desert, many savannas and forests
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
Where are they found?
all rivers and lakes
mammal meat
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Tropical moist forest
Elders
apple
Bro
lakes and ponds
freshwater marsh and wetlands
Taxons
rivers and streams
if born as {name}
age
birth date
Protein
Palearctic realm
raw potato
green algae
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
Neotropical realm
My weight?
nutrition food name aquatic plant
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
young after transformation
soft algae
plant food
Potential Habitat
citrus fruits
Water
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
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
Gestation
age diag byColoration
{name} birthday
age diag bySize
No results found
omnivory, they eat plants, animals, and mushrooms — almost any food
On the map
Female ♀
Body temperature
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.
spirulina
birth year
cabbage carrot zucchini
sq mm
yr
pesticides insecticides
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?
Neither
What do they eat?
Where do they live?
from birth to death
early young
water often floods the land, lots of grass
world of Afrotropics
River estuary into the sea
Freshwater
Temperate mixed forest
This is me
chopped lettuce
freshwater
Gamers
How are they built?
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
temperament
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
Iodine
periphyton
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?
Calcium
celebrated their {n} birthday
When you would have been born if you lived as {name}
flowing fresh waters — rivers, streams, mountain torrents
Daddies
Lifespan maximum
whole life
Hermaphrodite ⚥
Tomato
embryo
summer warm, many oaks, birches, maples
Length
kg
Observations
◉{N} more on tap