The white-headed langur from Cat Ba Island is a rare monkey with black fur on the body. Adults have a white head, while newborns are golden.
The white-headed langur is distinguished by the golden coloration of the young and the white head of adults. It is important for nature as a seed disperser in limestone forests and indicates the health of the unique ecosystem of the island.
plucks plants with hands and teeth.
homogamy, reproduction always with fertilization, no alternation of generations
Worker
Tail size
birth time
Hot winter with almost no precipitation
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
very hot and very humid all year round, rain almost every day
Inhabits dense tree-covered areas with closed canopy.
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.
adult
Maturity
Handbag
About health
from 1.2 to 4.8 kilograms, 0.7 – 1.4 meters
When your next birthday would fall if you lived as {name}
tropical forest
Repro interval
results
protection from predators
summer warm, winter not very cold
Southeast Asia and islands, always hot and humid
Colors
Sex
Upcoming jubilees
Gremllins
mo
little precipitation in winter, more in summer
Trophic type
Filters
Tail count
leaves
always hot and humid, huge trees and vines
Upcoming birthdays
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
leaf
young are born live on land, not hatched from eggs or roe
Age (juvenile)
Age (from birth to death)
Age (embryo)
Wanderers
karst
world of Australasia
Jubilee = every 10th birthday
Fruit
Earliest developmental stage inside an egg or womb.
Business sausages
fruits
Lifespan average
nectar
leaves
live birth
Head fur 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
Find a pet...
Mature, fully developed individual capable of reproduction.
kidneys
Pets
Indomalayan realm
Primary oral structure used to seize, manipulate, or ingest food.
Indomalayan realm
Feeding occurs primarily on land or in vegetation.
sweet nectar and flower pollen
{name} jubilee
paw
cm
Old-timers
Find an animal or breed...
mouth
turns
Rascals
fruits
Forages on tree limbs or woody stems within vegetation.
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.
herbivore
Describes food handling or digging performed with the forelimbs.
soft substrate
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Offspring
Tropical moist forest
Elders
Bro
normal sexual
Taxons
seeds, berries, fruits
if born as {name}
Foraging takes place among trees and woody vegetation.
plant spines and thorns
age
birth date
no permanent shelter
tearing
rest
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
Potential Habitat
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
subterranean biotope — in soil, sediments, substrate
Mass
young shoots and leaves of plants
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
terrestrial
winter dry and very warm
plucks plants with hands and teeth.
Gestation
islands and part of Australia, many unusual animals and plants
Rips or shreds food using teeth, beak or claws.
thorns and spines of plants — cacti, thistles, acacia
land
summer very hot, above +25…+30 °C
{name} birthday
Food is gathered directly from leaf surfaces.
No results found
On the map
Female ♀
all life stages
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
flowers
How similar?
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
Moving up vertical surfaces like trunks or rocks to reach food.
from birth to adulthood
Young offspring still dependent on parental care.
What do they eat?
forests
Where do they live?
Immature individual that has not yet reached reproductive maturity.
Hard dental structures used to bite, tear, or scrape food.
branch
soft or loose substrate — sand, silt, peat
Duration
Always hot and wet
This is me
Gamers
How are they built?
mm
Theoretical lifespan
ml
Stars
Link copied
soil and substrate
My age?
wk
My size?
Asexual
swap
Southeast Asia and islands, always hot and humid
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?
inhabit and develop on land, outside water bodies
celebrated their {n} birthday
When you would have been born if you lived as {name}
Body fur color
Daddies
Lifespan maximum
foraging
Hermaphrodite ⚥
embryo
Length
kg
arboreal
Observations
◉{N} more on tap