Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Tropical moist forest
Worker
Elders
Bro
birth time
Taxons
seeds, berries, fruits
if born as {name}
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
age
t
When your next jubilee falls in {name} life years
Human
birth date
Palearctic realm
Close
very hot and very humid all year round, rain almost every day
was
days
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
How old you would be if you lived as {name}
Neotropical realm
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.
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
Maturity
Refrigerator
South and Central America, hot and humid, huge forests
invertebrates
after transformation until death
Potential Habitat
About health
milk
When your next birthday would fall if you lived as {name}
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
results
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
Southeast Asia and islands, always hot and humid
Gestation
Sex
{name} birthday
Upcoming jubilees
Gremllins
mo
hot, rains in summer, little precipitation in winter
Always hot
No results found
little precipitation in winter, more in summer
all living animals without backbone
Filters
On the map
Female ♀
always hot and humid, huge trees and vines
Upcoming birthdays
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.
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
Height
birth year
rains almost always, very humid
Age (juvenile)
terrestrial habitat, land surface outside water
Age (from birth to death)
sq mm
yr
Hot, little precipitation in winter
Age (embryo)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
How similar?
Jubilee = every 10th birthday
Male ♂
until the celebration
baby / chick
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
Business sausages
fruits
Young offspring still dependent on parental care.
Lifespan average
nectar
What do they eat?
Where do they live?
forests on land — tropical, temperate, boreal
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
Find a pet...
Always hot and wet
This is me
Always very wet
Gamers
Pets
How are they built?
Indomalayan realm
mm
Theoretical lifespan
Indomalayan realm
ml
Stars
Link copied
My age?
terrestrial shrubland
wk
My size?
terrestrial
sweet nectar and flower pollen
{name} jubilee
Asexual
swap
terrestrial shrub habitats — maquis, chaparral, bush
cm
Old-timers
Find an animal or breed...
Southeast Asia and islands, always hot and humid
turns
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
Rascals
Where do they take shelter?
terrestrial forest
rainforest
celebrated their {n} birthday
drink mother's milk in childhood
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
Litter size
Daddies
Lifespan maximum
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
47 to 74 kilograms, 1.2 – 2.8 meters
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
Hermaphrodite ⚥
Where are they found?
kg
Observations
◉{N} more on tap