The black-necked swan is a large bird with a completely black neck and head and a white body. It lives in freshwater bodies of South America.
The Black-necked Swan differs from other swans by its black neck and red knob at the base of the bill. It cleans water bodies of excess plants and serves as food for local predators.
pecking
Worker
birth time
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
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.
beak
adult
Maturity
Nightstand
plant
South and Central America, hot and humid, huge forests
About health
marine coastal
cool, lots of coniferous trees, snow in winter
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
all seas and oceans
Trophic type
Filters
Captures or processes food by biting or nipping with the mouth.
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
Height
lake
rains almost always, very humid
Age (juvenile)
Age (from birth to death)
Age (embryo)
Feet color
Wanderers
algae
Jubilee = every 10th birthday
Warm summer and frequent rains
small invertebrates without further specification
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
Wings color
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
end of acceleration
nipping plants underwater
Share
swampy freshwater biotopes — peat bogs, marshes, river mangroves
Find a pet...
Mature, fully developed individual capable of reproduction.
Freshwater
where the river flows into the sea, slightly salty water, lots of fish and birds
Pets
all rivers and lakes
Repeatedly strikes or probes substrate with beak to obtain food.
biting
Feeding occurs primarily on land or in vegetation.
{name} jubilee
cm
Temperate coniferous forest
Old-timers
Find an animal or breed...
Wingspan
Neck color
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
grazing
°C
Not specified
Actively searching habitats to locate food items.
Where are they found?
all rivers and lakes
herbivore
Down color
Feeds by cropping or nibbling low-growing vegetation or algae.
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
small invertebrates
Bro
lakes and ponds
freshwater marsh and wetlands
Taxons
rivers and streams
if born as {name}
age
birth date
swimming
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
primary food sources
Neotropical realm
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
Feeding occurs in water bodies such as rivers, lakes, or oceans.
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
terrestrial
Gestation
aquatic
summer very hot, above +25…+30 °C
{name} birthday
No results found
On the map
Pleasant summer
Female ♀
all life stages
Body color
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
lots of grass, few trees, rains occur
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
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
from birth to adulthood
Young offspring still dependent on parental care.
nest
What do they eat?
Where do they live?
Immature individual that has not yet reached reproductive maturity.
Marine world
water often floods the land, lots of grass
world of Afrotropics
River estuary into the sea
Freshwater
Temperate mixed forest
6 to 47 kilograms, 0.9 – 2.5 meters
Duration
saline marine habitat
This is me
freshwater
Always very wet
Gamers
aquatic plants and algae
How are they built?
marine
shallow near the shore, water rises and falls, crabs live here
Temperate steppe
mm
Theoretical lifespan
ml
Stars
Link copied
coastal marine zone — shelf, neritic zone
My age?
wk
My size?
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
When you would have been born if you lived as {name}
Littoral Zone
marsh
flowing fresh waters — rivers, streams, mountain torrents
Daddies
Lifespan maximum
foraging
Hermaphrodite ⚥
embryo
Hard, projecting mouthpart used to probe, pluck, or crack food.
summer warm, many oaks, birches, maples
Length
kg
lots of rain, warm and pleasant summer
Observations
◉{N} more on tap