Immature form that undergoes metamorphosis before adulthood.
Worker
Hot summer almost without rain
Tail size
birth time
bottom
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
t
When your next jubilee falls in {name} life years
Human
Legs count
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}
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.
mollusks
very heavy rains in summer, almost no precipitation in winter
beak
adult
Maturity
fish of small size
South and Central America, hot and humid, huge forests
Coconut
insects
About health
When your next birthday would fall if you lived as {name}
Repro interval
results
summer warm, winter not very cold
Colors
Sex
Upcoming jubilees
Gremllins
mo
rains are very rare, almost a desert
Trophic type
Filters
small fish
Captures or processes food by biting or nipping with the mouth.
Mediterranean forest
Upcoming birthdays
standing fresh waters — lakes, ponds, oxbow lakes
Breeding structure built or used for laying eggs and raising offspring.
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
lake
Age (from birth to death)
Foraging occurs on the floor of aquatic or terrestrial habitats.
most of Europe and Asia, various forests, steppes and tundra
Wanderers
algae
Jubilee = every 10th birthday
dry, cold winter, lots of grass, few trees
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
Rapidly swallows prey or food items whole without chewing.
Carapace color
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
live snails, mussels, oysters
Find a pet...
Mature, fully developed individual capable of reproduction.
gulping
Actively hunting and capturing live prey.
from 0.5 to 0.8 kilograms, 0.5 – 1 meter
Pets
Primary oral structure used to seize, manipulate, or ingest food.
Indomalayan realm
biting
Feeding occurs primarily on land or in vegetation.
whole swallow
{name} jubilee
cm
Old-timers
Find an animal or breed...
mouth
turns
Rascals
olfaction
Flooded grasslands
Litter size
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?
Species lacks any fixed or lasting shelter structure.
all rivers and lakes
Summer almost without rain
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
almost no rain in summer, more precipitation in winter
if born as {name}
omnivore
age
birth date
Palearctic realm
swimming
no permanent shelter
Close
water column
Egg shell color
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
Neotropical realm
coastal
My weight?
summer is hot and almost no rain falls
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
primary food sources
Neotropical realm
teeth
Potential Habitat
lots of grass, few trees, rains are rare
Very hot summer
d
In husbandry
Feeds while suspended in open water between surface and bottom.
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
Plastron color
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
terrestrial
aquatic
vision
summer very hot, above +25…+30 °C
{name} birthday
Always hot
No results found
Hot with heavy summer rains
On the map
lunge
Female ♀
all life stages
dry and hot summer, warm and rainy winter
Cold and almost dry
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
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?
Very dry
Neither
nest
What do they eat?
dry and cold almost all year round
Where do they live?
early young
Hard dental structures used to bite, tear, or scrape food.
water often floods the land, lots of grass
Freshwater
Duration
live insects
Always hot and wet
This is me
claws
Steppe
freshwater
Gamers
aquatic plants and algae
hot, heavy rains in summer, little precipitation in winter
How are they built?
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
Southeast Asia and islands, always hot and humid
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?
Head color
celebrated their {n} birthday
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
Cold steppe
Daddies
Lifespan maximum
searching and capturing food with jaws in water
foraging
river
Hermaphrodite ⚥
Primarily detects and locates food using eyesight.
embryo
Hard, projecting mouthpart used to probe, pluck, or crack food.
Length
kg
Rapid forward strike to seize prey.
Observations
◉{N} more on tap