Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
Hot and almost no precipitation
Heavy rains in summer
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
summer mild, +15…+20 °C
lots of rain, warm summer, snow in winter
t
When your next jubilee falls in {name} life years
Human
very hot and very humid all year round, rain almost every day
days
South and Central America, hot and humid, huge forests
Warm summer
How old you would be if you lived as {name}
summer from pleasant to very hot
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 frog
Maturity
South and Central America, hot and humid, huge forests
Melon
invertebrates
About health
cool, lots of coniferous trees, snow in winter
When your next birthday would fall if you lived as {name}
results
summer warm, winter not very cold
Cool summer
Sex
Upcoming jubilees
Gremllins
mo
rains are very rare, almost a desert
all living animals without backbone
Filters
summer very hot, dry, lots of grass
Warm or hot summer
Upcoming birthdays
standing fresh waters — lakes, ponds, oxbow lakes
Winter with snow
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
rains almost always, very humid
Age (juvenile)
Age (from birth to death)
Age (embryo)
Wanderers
Jubilee = every 10th birthday
Warm summer and frequent rains
More:
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
summer warm, rains frequent
What do they look like?
Maturity
emergence (insects)
end of lifespan
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
Find a pet...
Mature, fully developed individual capable of reproduction.
Freshwater
Snowy winter and summer from cool to warm
Pets
all rivers and lakes
Nearctic realm
Lots of rain and cool summer
Hot steppe
{name} jubilee
cm
Temperate coniferous forest
Old-timers
Find an animal or breed...
turns
Rascals
terrestrial grassland and steppe
Flooded grasslands
after fast growth and adult
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
Share
Where are they found?
from 0.8 to 1.2 kilograms, 0.6 – 1.2 meters
all rivers and lakes
lots of rain, cool summer, snow in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Elders
lots of rain, summer from cool to warm, snow in winter
Bro
lakes and ponds
freshwater marsh and wetlands
Taxons
freshwater pelagic
if born as {name}
age
birth date
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?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
Neotropical realm
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
lots of rain, summer not hot
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
Gestation
summer very hot, above +25…+30 °C
{name} birthday
Nearctic realm
Link copied
No results found
North America and Greenland, from tundra to forests
On the map
Pleasant summer
Female ♀
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.
open water in the water column of a freshwater body, away from the bottom and shore
birth year
terrestrial habitat, land surface outside water
sq mm
yr
comfortable summer, +20…+25 °C
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?
Very dry
Neither
What do they eat?
Where do they live?
Lots of rain and warm summer
from birth to death
much snow in winter, cold
tadpole
water often floods the land, lots of grass
Freshwater
Temperate mixed forest
Very hot and dry
Always hot and wet
This is me
Steppe
freshwater
Always very wet
Gamers
How are they built?
Cool summer and lots of rain
Theoretical lifespan
mm
ml
Stars
Link copied
My age?
wk
My size?
very hot during the day, cold at night, almost no rain
terrestrial
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
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}
Daddies
Lifespan maximum
very hot and almost no precipitation
from development to end of fast growth
Hermaphrodite ⚥
North America and Greenland, from tundra to forests
spawn
summer warm, many oaks, birches, maples
kg
lots of rain, warm and pleasant summer
Observations
◉{N} more on tap
young
pupa
imago
young of the year
froglet