Meet the
Yokohama.
The Yokohama’s exhibition identity emphasizes flowing tails and refined carriage. Its appearance illustrates how generations of ornamental selection can produce a population with very specific feather-maintenance needs.

Hagen Graebner · CC BY-SA 3.0 ↗ · Reuse terms
Origins, people & changing purpose
History & heritage
The Yokohama’s exhibition identity emphasizes flowing tails and refined carriage. Its appearance illustrates how generations of ornamental selection can produce a population with very specific feather-maintenance needs.
Long-tailed Japanese chickens were exported through Yokohama to France and Germany in 1864. German breeders refined the population, which acquired the export port's name rather than retaining every Japanese original designation.
Sources for this passage
Long feathering within a defined silhouette
The society's British description emphasizes a long, deep body, abundant narrow saddle feathering and a low, flowing tail. Head requirements vary with the variety; its Red Saddled form does not use the single comb permitted in other British forms. This is why a single checklist detached from its variety can mislead. The standard describes the desired mature appearance, not a promise that every young bird will already display an adult tail.
Recognizing the breed
Size, details & appearance
Look closely at the features that make this animal distinctive.

Hagen Graebner · CC BY-SA 3.0 · License
Size reference
Source-reported weight references ↗ · checked October 5, 2026.
Market weight and adult weight describe different stages. Values are reference information, not individual growth guarantees.
Ornamental
White/Cream
Shell color can vary between individuals and through a laying season.
Small to Medium
Source-reported size category; not a measured weight for every egg.
Active, alert
Animal identity
Long tail, saddle and sickle feathers create its dramatic outline. Red-Shouldered birds contrast red markings with a white background; White birds form another established color. Small tinted eggs are secondary to its ornamental purpose.
The Conservancy's reference profile describes small eggs with light tinted brown shells. These descriptions help compare the population's traditional farm role; actual performance also depends on age, breeding line and management.
Sources for this passage
Why Yokohama names differ between countries
The Rare Poultry Society explains that European imports of several Japanese long-tailed types were associated with the port of Yokohama. German fanciers later restricted Yokohama to a particular red-saddled form and used Phoenix for a white-lobed, single-combed type. British fanciers used Yokohama more broadly. Consequently, a British label may cover birds that another country's system separates. A teaching collection must specify that context instead of silently combining national identities.
Interpreting this population in practice
Yokohama and Phoenix chickens share associations with Japanese long-tailed poultry but are distinct developed breeds. Teach their different form and selection histories rather than using the names interchangeably. Long feathers need practical care as well as admiration. Imported ancestral types, European development and present standardized populations should be described as separate stages.
Sources for this passage
Read this article in its own place →Scientific identity & inheritance
Gallus gallus (Linnaeus, 1758)
- Kingdom
- Animalia
- Phylum
- Chordata
- Taxonomic class
- Aves
- Order
- Galliformes
- Family
- Phasianidae
- Genus
- Gallus
- Species
- Gallus gallus
- Domestic population
- Yokohama
Scientific identity
Red junglefowl natural history supplies background on ground feeding and social relationships. Its species account discusses the wild bird, so wild habitat and life-history figures must not be applied to every domestic breed. Domestic flock behavior is also affected by space, individual birds and the way groups are managed.
Chickens forage for plant foods and small animals, but access to insects does not establish a complete diet. Growing birds and laying birds have different nutritional roles. Litter, ventilation and drinking water are biological conditions: wet bedding and accumulated ammonia can damage welfare. A breed's reputation for hardiness should sit alongside this basic husbandry explanation.
The animal in its landscape
Ecology & human landscapes
A chicken flock occupies a human-managed habitat that connects soil, insects, vegetation, manure and feed brought onto the farm. Teaching should describe those connections without promising that birds eliminate every pest or enrich every site automatically. The scale and management of the flock shape the outcome.
Conservation adds a second layer: keeping productive, identifiable breeding populations through changing markets. Images can teach comb, plumage and body differences, while original articles explain the functions and selection behind them. The species library provides shared biology; the breed library preserves the distinct historical and genetic story.
Keeping and raising the animal
Care foundations
Outdoor foraging offers insects and other foods but does not remove the need for balanced nutrition. Feed should suit the bird's stage and role, including growing birds and laying hens. Housing is also a health system: wet litter and accumulated ammonia can damage feet, skin and eyes. Ventilation, dry bedding, clean drinking water and protection from predators and disease introduction belong beside breed history. A heritage chicken's hardiness does not make it immune to management-related illness.
These are general species foundations. The breed's own history and traits help explain how it developed, while an individual animal's age, environment and purpose shape its daily needs. Preservation includes keeping animals healthy enough to express normal behavior and maintain future generations. Compare dependable husbandry guidance with breed registry descriptions, and distinguish inherited traits from assumptions about toughness. Teaching the reasons behind care decisions gives readers a stronger foundation than applying one feeding formula to every animal.
Sources for this passage
From an egg to a living flock.
Follow the animal from its beginning through the changes in feeding, shelter, behavior and care. Select a stage to look closer.
Healthy adults can contribute to the next generation; care and documented ancestry connect the cycle.

Hatching & first days
A chick needs warmth, water and suitable starter feed. Prepare its setting before arrival and observe its behavior.
What to observe
Watch access to warmth, water and starter feed, the way young birds gather or spread out, and whether each bird can reach the essentials.
Raised with a broody hen
A maternal hen supplies warmth and guides chicks. The keeper still provides a protected setting, feed, water and checks that each chick thrives.
Managed brooder rearing
Provide a warm area, cooler retreat, dry bedding and suitable feeders and drinkers. Watch chick behavior as well as the thermometer. Brooding normally supports birds eating for themselves; it is not routine syringe feeding.
Life-stage teaching sources
- Mississippi State University Extension · incubation factors ↗
- Cooperative Extension · brooding poultry hatchlings ↗
Conservation Legacy original teaching. Image captions identify the pictured animal; general species examples remain separate from selected-breed images.
See when life changes.
Body growth, reproductive development and managed weaning describe different changes. Explore the reference windows beside the care they help explain.
Incubation
21 daysApproximate species reference for planning.
Evidence ↗After birth or hatch · reference windows
General chickens; seven named breeds in Missouri pasture trial separate below. Bars share a time axis measured from birth or hatch; each label retains its source units.
Timing depends on breed; not a Buckeye/Jersey Giant measured mean.
Source for this window ↗What its future depends on
Conservation & challenges
Early imported breeding groups were limited and additional shipments sometimes yielded only surviving males. This illustrates the effect of transport and small founder pools on breed development. Today, feather management and sound reproduction matter alongside tail length; similar long-tailed populations need accurate identification.
Sources for this passage
Conservation status and source-reported population evidence
A directly verified population measure has not yet been established for this page. Its conservation category remains useful, but does not supply a current head count.
Carry this animal’s story forward.
A documented photograph, a keeper’s experience or a carefully sourced correction can strengthen the next person’s understanding. This account connects with the breed’s own knowledge collection and common area.
