The crested duck is a medium-sized waterfowl with a large crest of feathers on the head. It lives in high-mountain lakes and swamps of South America.
The crested duck differs from other ducks by its large movable crest on the head. It helps maintain the cleanliness of high-mountain lakes by eating algae and small animals and serves as food for birds of prey.
Worker
birth time
Submerges underwater to reach prey or food at depth.
Picking small food items from foliage, ground, or other surfaces.
very cold, short summer, lots of moss
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
Polar tundra
t
When your next jubilee falls in {name} life years
Human
Head crest count
very cold, short summer, almost no trees, lots of moss
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
beak
adult
Maturity
South and Central America, hot and humid, huge forests
Coconut
insects
About health
marine coastal
When your next birthday would fall if you lived as {name}
Repro interval
results
summer warm, winter not very cold
Colors
Cool summer
Sex
Upcoming jubilees
Gremllins
diving
mo
rains are very rare, almost a desert
all seas and oceans
Trophic type
Filters
Upcoming birthdays
Breeding structure built or used for laying eggs and raising offspring.
Winter with snow
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
high in the mountains, cold, lots of grass and shrubs
rains almost always, very humid
Age (from birth to death)
Wanderers
algae
Jubilee = every 10th birthday
dry, cold winter, lots of grass, few trees
Tundra
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
Montane grasslands
What do they look like?
Maturity
emergence (insects)
end of lifespan
Wings color
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.
very cold, lots of snow and ice
gleaning
Actively hunting and capturing live prey.
from 0.5 to 0.8 kilograms, 0.5 – 1 meter
Pets
mountain
Lots of rain and cool summer
{name} jubilee
cm
Old-timers
Find an animal or breed...
turns
Rascals
Flooded grasslands
hot Africa south of the desert, many savannas and forests
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?
all rivers and lakes
lots of rain, cool summer, snow in winter
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
Very cold
freshwater marsh and wetlands
Taxons
rivers and streams
if born as {name}
cold, short summer, almost no trees
omnivore
age
birth date
swimming
Close
Egg shell color
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
Head crest color
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
primary food sources
Neotropical realm
Potential Habitat
lots of grass, few trees, rains are rare
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
Feeding occurs in water bodies such as rivers, lakes, or oceans.
lots of rain, summer not hot
Mass
cold winter, lots of coniferous trees: spruce, pine
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
aquatic
{name} birthday
Nearctic realm
No results found
North America and Greenland, from tundra to forests
On the map
small crustaceans
Pleasant summer
all life stages
Female ♀
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
terrestrial habitat, land surface outside water
sq mm
yr
Beak color
comfortable summer, +20…+25 °C
How similar?
Male ♂
until the celebration
baby / chick
Tundra
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
Young offspring still dependent on parental care.
nest
Down cover color
What do they eat?
dry and cold almost all year round
Where do they live?
Marine world
much snow in winter, cold
Plumage color
water often floods the land, lots of grass
world of Afrotropics
Freshwater
Duration
live insects
saline marine habitat
This is me
Steppe
freshwater
Always very wet
Gamers
aquatic plants and algae
How are they built?
marine
Cool summer and lots of rain
shallow near the shore, water rises and falls, crabs live here
mm
Theoretical lifespan
ml
Stars
Link copied
coastal marine zone — shelf, neritic zone
My age?
wk
My size?
terrestrial
Taiga
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
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?
celebrated their {n} birthday
When you would have been born if you lived as {name}
Littoral Zone
Cold steppe
flowing fresh waters — rivers, streams, mountain torrents
Daddies
small crabs, amphipods and other crustaceans
Lifespan maximum
foraging
Hermaphrodite ⚥
embryo
Hard, projecting mouthpart used to probe, pluck, or crack food.
Length
kg
Observations
◉{N} more on tap